78751520

素因数分解:

$2^5\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1487}}^1$

素因数の和:1833

約数の個数: 48

約数和(自身を含む): 186738048

約数和(自身を除く): 107986528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 331, 662, 1324, 1487, 1655, 2648, 2974, 3310, 5296, 5948, 6620, 7435, 10592, 11896, 13240, 14870, 23792, 26480, 29740, 47584, 52960, 59480, 118960, 237920, 492197, 984394, 1968788, 2460985, 3937576, 4921970, 7875152, 9843940, 15750304, 19687880, 39375760, 78751520]

約数ペア:

[(1, 78751520), (2, 39375760), (4, 19687880), (5, 15750304), (8, 9843940), (10, 7875152), (16, 4921970), (20, 3937576), (32, 2460985), (40, 1968788), (80, 984394), (160, 492197), (331, 237920), (662, 118960), (1324, 59480), (1487, 52960), (1655, 47584), (2648, 29740), (2974, 26480), (3310, 23792), (5296, 14870), (5948, 13240), (6620, 11896), (7435, 10592)]