25418360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1409}}^1$

素因数の和:1472

約数の個数: 64

約数和(自身を含む): 63957600

約数和(自身を除く): 38539240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 205, 220, 328, 410, 440, 451, 820, 902, 1409, 1640, 1804, 2255, 2818, 3608, 4510, 5636, 7045, 9020, 11272, 14090, 15499, 18040, 28180, 30998, 56360, 57769, 61996, 77495, 115538, 123992, 154990, 231076, 288845, 309980, 462152, 577690, 619960, 635459, 1155380, 1270918, 2310760, 2541836, 3177295, 5083672, 6354590, 12709180, 25418360]

約数ペア:

[(1, 25418360), (2, 12709180), (4, 6354590), (5, 5083672), (8, 3177295), (10, 2541836), (11, 2310760), (20, 1270918), (22, 1155380), (40, 635459), (41, 619960), (44, 577690), (55, 462152), (82, 309980), (88, 288845), (110, 231076), (164, 154990), (205, 123992), (220, 115538), (328, 77495), (410, 61996), (440, 57769), (451, 56360), (820, 30998), (902, 28180), (1409, 18040), (1640, 15499), (1804, 14090), (2255, 11272), (2818, 9020), (3608, 7045), (4510, 5636)]