25335960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 83160000

約数和(自身を除く): 57824040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 109, 120, 130, 149, 156, 195, 218, 260, 298, 312, 327, 390, 436, 447, 520, 545, 596, 654, 745, 780, 872, 894, 1090, 1192, 1308, 1417, 1490, 1560, 1635, 1788, 1937, 2180, 2235, 2616, 2834, 2980, 3270, 3576, 3874, 4251, 4360, 4470, 5668, 5811, 5960, 6540, 7085, 7748, 8502, 8940, 9685, 11336, 11622, 13080, 14170, 15496, 16241, 17004, 17880, 19370, 21255, 23244, 28340, 29055, 32482, 34008, 38740, 42510, 46488, 48723, 56680, 58110, 64964, 77480, 81205, 85020, 97446, 116220, 129928, 162410, 170040, 194892, 211133, 232440, 243615, 324820, 389784, 422266, 487230, 633399, 649640, 844532, 974460, 1055665, 1266798, 1689064, 1948920, 2111330, 2533596, 3166995, 4222660, 5067192, 6333990, 8445320, 12667980, 25335960]

約数ペア:

[(1, 25335960), (2, 12667980), (3, 8445320), (4, 6333990), (5, 5067192), (6, 4222660), (8, 3166995), (10, 2533596), (12, 2111330), (13, 1948920), (15, 1689064), (20, 1266798), (24, 1055665), (26, 974460), (30, 844532), (39, 649640), (40, 633399), (52, 487230), (60, 422266), (65, 389784), (78, 324820), (104, 243615), (109, 232440), (120, 211133), (130, 194892), (149, 170040), (156, 162410), (195, 129928), (218, 116220), (260, 97446), (298, 85020), (312, 81205), (327, 77480), (390, 64964), (436, 58110), (447, 56680), (520, 48723), (545, 46488), (596, 42510), (654, 38740), (745, 34008), (780, 32482), (872, 29055), (894, 28340), (1090, 23244), (1192, 21255), (1308, 19370), (1417, 17880), (1490, 17004), (1560, 16241), (1635, 15496), (1788, 14170), (1937, 13080), (2180, 11622), (2235, 11336), (2616, 9685), (2834, 8940), (2980, 8502), (3270, 7748), (3576, 7085), (3874, 6540), (4251, 5960), (4360, 5811), (4470, 5668)]