7930000

素因数分解:

$2^4\times 5^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:102

約数の個数: 100

約数和(自身を含む): 21015148

約数和(自身を除く): 13085148

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 61, 65, 80, 100, 104, 122, 125, 130, 200, 208, 244, 250, 260, 305, 325, 400, 488, 500, 520, 610, 625, 650, 793, 976, 1000, 1040, 1220, 1250, 1300, 1525, 1586, 1625, 2000, 2440, 2500, 2600, 3050, 3172, 3250, 3965, 4880, 5000, 5200, 6100, 6344, 6500, 7625, 7930, 8125, 10000, 12200, 12688, 13000, 15250, 15860, 16250, 19825, 24400, 26000, 30500, 31720, 32500, 38125, 39650, 61000, 63440, 65000, 76250, 79300, 99125, 122000, 130000, 152500, 158600, 198250, 305000, 317200, 396500, 495625, 610000, 793000, 991250, 1586000, 1982500, 3965000, 7930000]

約数ペア:

[(1, 7930000), (2, 3965000), (4, 1982500), (5, 1586000), (8, 991250), (10, 793000), (13, 610000), (16, 495625), (20, 396500), (25, 317200), (26, 305000), (40, 198250), (50, 158600), (52, 152500), (61, 130000), (65, 122000), (80, 99125), (100, 79300), (104, 76250), (122, 65000), (125, 63440), (130, 61000), (200, 39650), (208, 38125), (244, 32500), (250, 31720), (260, 30500), (305, 26000), (325, 24400), (400, 19825), (488, 16250), (500, 15860), (520, 15250), (610, 13000), (625, 12688), (650, 12200), (793, 10000), (976, 8125), (1000, 7930), (1040, 7625), (1220, 6500), (1250, 6344), (1300, 6100), (1525, 5200), (1586, 5000), (1625, 4880), (2000, 3965), (2440, 3250), (2500, 3172), (2600, 3050)]