79300000

素因数分解:

$2^5\times 5^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:109

約数の個数: 144

約数和(自身を含む): 213595704

約数和(自身を除く): 134295704

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 61, 65, 80, 100, 104, 122, 125, 130, 160, 200, 208, 244, 250, 260, 305, 325, 400, 416, 488, 500, 520, 610, 625, 650, 793, 800, 976, 1000, 1040, 1220, 1250, 1300, 1525, 1586, 1625, 1952, 2000, 2080, 2440, 2500, 2600, 3050, 3125, 3172, 3250, 3965, 4000, 4880, 5000, 5200, 6100, 6250, 6344, 6500, 7625, 7930, 8125, 9760, 10000, 10400, 12200, 12500, 12688, 13000, 15250, 15860, 16250, 19825, 20000, 24400, 25000, 25376, 26000, 30500, 31720, 32500, 38125, 39650, 40625, 48800, 50000, 52000, 61000, 63440, 65000, 76250, 79300, 81250, 99125, 100000, 122000, 126880, 130000, 152500, 158600, 162500, 190625, 198250, 244000, 260000, 305000, 317200, 325000, 381250, 396500, 495625, 610000, 634400, 650000, 762500, 793000, 991250, 1220000, 1300000, 1525000, 1586000, 1982500, 2478125, 3050000, 3172000, 3965000, 4956250, 6100000, 7930000, 9912500, 15860000, 19825000, 39650000, 79300000]

約数ペア:

[(1, 79300000), (2, 39650000), (4, 19825000), (5, 15860000), (8, 9912500), (10, 7930000), (13, 6100000), (16, 4956250), (20, 3965000), (25, 3172000), (26, 3050000), (32, 2478125), (40, 1982500), (50, 1586000), (52, 1525000), (61, 1300000), (65, 1220000), (80, 991250), (100, 793000), (104, 762500), (122, 650000), (125, 634400), (130, 610000), (160, 495625), (200, 396500), (208, 381250), (244, 325000), (250, 317200), (260, 305000), (305, 260000), (325, 244000), (400, 198250), (416, 190625), (488, 162500), (500, 158600), (520, 152500), (610, 130000), (625, 126880), (650, 122000), (793, 100000), (800, 99125), (976, 81250), (1000, 79300), (1040, 76250), (1220, 65000), (1250, 63440), (1300, 61000), (1525, 52000), (1586, 50000), (1625, 48800), (1952, 40625), (2000, 39650), (2080, 38125), (2440, 32500), (2500, 31720), (2600, 30500), (3050, 26000), (3125, 25376), (3172, 25000), (3250, 24400), (3965, 20000), (4000, 19825), (4880, 16250), (5000, 15860), (5200, 15250), (6100, 13000), (6250, 12688), (6344, 12500), (6500, 12200), (7625, 10400), (7930, 10000), (8125, 9760)]