78073840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1831}}^1$

素因数の和:1898

約数の個数: 80

約数和(自身を含む): 200362176

約数和(自身を除く): 122288336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1640, 1831, 2132, 2665, 3280, 3662, 4264, 5330, 7324, 8528, 9155, 10660, 14648, 18310, 21320, 23803, 29296, 36620, 42640, 47606, 73240, 75071, 95212, 119015, 146480, 150142, 190424, 238030, 300284, 375355, 380848, 476060, 600568, 750710, 952120, 975923, 1201136, 1501420, 1904240, 1951846, 3002840, 3903692, 4879615, 6005680, 7807384, 9759230, 15614768, 19518460, 39036920, 78073840]

約数ペア:

[(1, 78073840), (2, 39036920), (4, 19518460), (5, 15614768), (8, 9759230), (10, 7807384), (13, 6005680), (16, 4879615), (20, 3903692), (26, 3002840), (40, 1951846), (41, 1904240), (52, 1501420), (65, 1201136), (80, 975923), (82, 952120), (104, 750710), (130, 600568), (164, 476060), (205, 380848), (208, 375355), (260, 300284), (328, 238030), (410, 190424), (520, 150142), (533, 146480), (656, 119015), (820, 95212), (1040, 75071), (1066, 73240), (1640, 47606), (1831, 42640), (2132, 36620), (2665, 29296), (3280, 23803), (3662, 21320), (4264, 18310), (5330, 14648), (7324, 10660), (8528, 9155)]