131002880

素因数分解:

$2^9\times 5^1\times {\mathrm{73}}^1\times {\mathrm{701}}^1$

素因数の和:797

約数の個数: 80

約数和(自身を含む): 318856824

約数和(自身を除く): 187853944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 256, 292, 320, 365, 512, 584, 640, 701, 730, 1168, 1280, 1402, 1460, 2336, 2560, 2804, 2920, 3505, 4672, 5608, 5840, 7010, 9344, 11216, 11680, 14020, 18688, 22432, 23360, 28040, 37376, 44864, 46720, 51173, 56080, 89728, 93440, 102346, 112160, 179456, 186880, 204692, 224320, 255865, 358912, 409384, 448640, 511730, 818768, 897280, 1023460, 1637536, 1794560, 2046920, 3275072, 4093840, 6550144, 8187680, 13100288, 16375360, 26200576, 32750720, 65501440, 131002880]

約数ペア:

[(1, 131002880), (2, 65501440), (4, 32750720), (5, 26200576), (8, 16375360), (10, 13100288), (16, 8187680), (20, 6550144), (32, 4093840), (40, 3275072), (64, 2046920), (73, 1794560), (80, 1637536), (128, 1023460), (146, 897280), (160, 818768), (256, 511730), (292, 448640), (320, 409384), (365, 358912), (512, 255865), (584, 224320), (640, 204692), (701, 186880), (730, 179456), (1168, 112160), (1280, 102346), (1402, 93440), (1460, 89728), (2336, 56080), (2560, 51173), (2804, 46720), (2920, 44864), (3505, 37376), (4672, 28040), (5608, 23360), (5840, 22432), (7010, 18688), (9344, 14020), (11216, 11680)]