25424800

素因数分解:

$2^5\times 5^2\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:602

約数の個数: 72

約数和(自身を含む): 63206892

約数和(自身を除く): 37782092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 61, 80, 100, 122, 160, 200, 244, 305, 400, 488, 521, 610, 800, 976, 1042, 1220, 1525, 1952, 2084, 2440, 2605, 3050, 4168, 4880, 5210, 6100, 8336, 9760, 10420, 12200, 13025, 16672, 20840, 24400, 26050, 31781, 41680, 48800, 52100, 63562, 83360, 104200, 127124, 158905, 208400, 254248, 317810, 416800, 508496, 635620, 794525, 1016992, 1271240, 1589050, 2542480, 3178100, 5084960, 6356200, 12712400, 25424800]

約数ペア:

[(1, 25424800), (2, 12712400), (4, 6356200), (5, 5084960), (8, 3178100), (10, 2542480), (16, 1589050), (20, 1271240), (25, 1016992), (32, 794525), (40, 635620), (50, 508496), (61, 416800), (80, 317810), (100, 254248), (122, 208400), (160, 158905), (200, 127124), (244, 104200), (305, 83360), (400, 63562), (488, 52100), (521, 48800), (610, 41680), (800, 31781), (976, 26050), (1042, 24400), (1220, 20840), (1525, 16672), (1952, 13025), (2084, 12200), (2440, 10420), (2605, 9760), (3050, 8336), (4168, 6100), (4880, 5210)]