25376000

素因数分解:

$2^8\times 5^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:105

約数の個数: 144

約数和(自身を含む): 69193488

約数和(自身を除く): 43817488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 61, 64, 65, 80, 100, 104, 122, 125, 128, 130, 160, 200, 208, 244, 250, 256, 260, 305, 320, 325, 400, 416, 488, 500, 520, 610, 640, 650, 793, 800, 832, 976, 1000, 1040, 1220, 1280, 1300, 1525, 1586, 1600, 1625, 1664, 1952, 2000, 2080, 2440, 2600, 3050, 3172, 3200, 3250, 3328, 3904, 3965, 4000, 4160, 4880, 5200, 6100, 6344, 6400, 6500, 7625, 7808, 7930, 8000, 8320, 9760, 10400, 12200, 12688, 13000, 15250, 15616, 15860, 16000, 16640, 19520, 19825, 20800, 24400, 25376, 26000, 30500, 31720, 32000, 39040, 39650, 41600, 48800, 50752, 52000, 61000, 63440, 78080, 79300, 83200, 97600, 99125, 101504, 104000, 122000, 126880, 158600, 195200, 198250, 203008, 208000, 244000, 253760, 317200, 390400, 396500, 416000, 488000, 507520, 634400, 793000, 976000, 1015040, 1268800, 1586000, 1952000, 2537600, 3172000, 5075200, 6344000, 12688000, 25376000]

約数ペア:

[(1, 25376000), (2, 12688000), (4, 6344000), (5, 5075200), (8, 3172000), (10, 2537600), (13, 1952000), (16, 1586000), (20, 1268800), (25, 1015040), (26, 976000), (32, 793000), (40, 634400), (50, 507520), (52, 488000), (61, 416000), (64, 396500), (65, 390400), (80, 317200), (100, 253760), (104, 244000), (122, 208000), (125, 203008), (128, 198250), (130, 195200), (160, 158600), (200, 126880), (208, 122000), (244, 104000), (250, 101504), (256, 99125), (260, 97600), (305, 83200), (320, 79300), (325, 78080), (400, 63440), (416, 61000), (488, 52000), (500, 50752), (520, 48800), (610, 41600), (640, 39650), (650, 39040), (793, 32000), (800, 31720), (832, 30500), (976, 26000), (1000, 25376), (1040, 24400), (1220, 20800), (1280, 19825), (1300, 19520), (1525, 16640), (1586, 16000), (1600, 15860), (1625, 15616), (1664, 15250), (1952, 13000), (2000, 12688), (2080, 12200), (2440, 10400), (2600, 9760), (3050, 8320), (3172, 8000), (3200, 7930), (3250, 7808), (3328, 7625), (3904, 6500), (3965, 6400), (4000, 6344), (4160, 6100), (4880, 5200)]