25535620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:229

約数の個数: 96

約数和(自身を含む): 63504000

約数和(自身を除く): 37968380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 41, 44, 55, 76, 82, 95, 110, 149, 164, 190, 205, 209, 220, 298, 380, 410, 418, 451, 596, 745, 779, 820, 836, 902, 1045, 1490, 1558, 1639, 1804, 2090, 2255, 2831, 2980, 3116, 3278, 3895, 4180, 4510, 5662, 6109, 6556, 7790, 8195, 8569, 9020, 11324, 12218, 14155, 15580, 16390, 17138, 24436, 28310, 30545, 31141, 32780, 34276, 42845, 56620, 61090, 62282, 67199, 85690, 116071, 122180, 124564, 134398, 155705, 171380, 232142, 268796, 311410, 335995, 464284, 580355, 622820, 671990, 1160710, 1276781, 1343980, 2321420, 2553562, 5107124, 6383905, 12767810, 25535620]

約数ペア:

[(1, 25535620), (2, 12767810), (4, 6383905), (5, 5107124), (10, 2553562), (11, 2321420), (19, 1343980), (20, 1276781), (22, 1160710), (38, 671990), (41, 622820), (44, 580355), (55, 464284), (76, 335995), (82, 311410), (95, 268796), (110, 232142), (149, 171380), (164, 155705), (190, 134398), (205, 124564), (209, 122180), (220, 116071), (298, 85690), (380, 67199), (410, 62282), (418, 61090), (451, 56620), (596, 42845), (745, 34276), (779, 32780), (820, 31141), (836, 30545), (902, 28310), (1045, 24436), (1490, 17138), (1558, 16390), (1639, 15580), (1804, 14155), (2090, 12218), (2255, 11324), (2831, 9020), (2980, 8569), (3116, 8195), (3278, 7790), (3895, 6556), (4180, 6109), (4510, 5662)]