25659040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:326

約数の個数: 96

約数和(自身を含む): 67495680

約数和(自身を除く): 41836640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 61, 80, 88, 110, 122, 160, 176, 220, 239, 244, 305, 352, 440, 478, 488, 610, 671, 880, 956, 976, 1195, 1220, 1342, 1760, 1912, 1952, 2390, 2440, 2629, 2684, 3355, 3824, 4780, 4880, 5258, 5368, 6710, 7648, 9560, 9760, 10516, 10736, 13145, 13420, 14579, 19120, 21032, 21472, 26290, 26840, 29158, 38240, 42064, 52580, 53680, 58316, 72895, 84128, 105160, 107360, 116632, 145790, 160369, 210320, 233264, 291580, 320738, 420640, 466528, 583160, 641476, 801845, 1166320, 1282952, 1603690, 2332640, 2565904, 3207380, 5131808, 6414760, 12829520, 25659040]

約数ペア:

[(1, 25659040), (2, 12829520), (4, 6414760), (5, 5131808), (8, 3207380), (10, 2565904), (11, 2332640), (16, 1603690), (20, 1282952), (22, 1166320), (32, 801845), (40, 641476), (44, 583160), (55, 466528), (61, 420640), (80, 320738), (88, 291580), (110, 233264), (122, 210320), (160, 160369), (176, 145790), (220, 116632), (239, 107360), (244, 105160), (305, 84128), (352, 72895), (440, 58316), (478, 53680), (488, 52580), (610, 42064), (671, 38240), (880, 29158), (956, 26840), (976, 26290), (1195, 21472), (1220, 21032), (1342, 19120), (1760, 14579), (1912, 13420), (1952, 13145), (2390, 10736), (2440, 10516), (2629, 9760), (2684, 9560), (3355, 7648), (3824, 6710), (4780, 5368), (4880, 5258)]