65749840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{331}}^1$

素因数の和:548

約数の個数: 80

約数和(自身を含む): 165989376

約数和(自身を除く): 100239536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 191, 208, 260, 331, 382, 520, 662, 764, 955, 1040, 1324, 1528, 1655, 1910, 2483, 2648, 3056, 3310, 3820, 4303, 4966, 5296, 6620, 7640, 8606, 9932, 12415, 13240, 15280, 17212, 19864, 21515, 24830, 26480, 34424, 39728, 43030, 49660, 63221, 68848, 86060, 99320, 126442, 172120, 198640, 252884, 316105, 344240, 505768, 632210, 821873, 1011536, 1264420, 1643746, 2528840, 3287492, 4109365, 5057680, 6574984, 8218730, 13149968, 16437460, 32874920, 65749840]

約数ペア:

[(1, 65749840), (2, 32874920), (4, 16437460), (5, 13149968), (8, 8218730), (10, 6574984), (13, 5057680), (16, 4109365), (20, 3287492), (26, 2528840), (40, 1643746), (52, 1264420), (65, 1011536), (80, 821873), (104, 632210), (130, 505768), (191, 344240), (208, 316105), (260, 252884), (331, 198640), (382, 172120), (520, 126442), (662, 99320), (764, 86060), (955, 68848), (1040, 63221), (1324, 49660), (1528, 43030), (1655, 39728), (1910, 34424), (2483, 26480), (2648, 24830), (3056, 21515), (3310, 19864), (3820, 17212), (4303, 15280), (4966, 13240), (5296, 12415), (6620, 9932), (7640, 8606)]