80692960

素因数分解:

$2^5\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1861}}^1$

素因数の和:2147

約数の個数: 48

約数和(自身を含む): 191443392

約数和(自身を除く): 110750432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 271, 542, 1084, 1355, 1861, 2168, 2710, 3722, 4336, 5420, 7444, 8672, 9305, 10840, 14888, 18610, 21680, 29776, 37220, 43360, 59552, 74440, 148880, 297760, 504331, 1008662, 2017324, 2521655, 4034648, 5043310, 8069296, 10086620, 16138592, 20173240, 40346480, 80692960]

約数ペア:

[(1, 80692960), (2, 40346480), (4, 20173240), (5, 16138592), (8, 10086620), (10, 8069296), (16, 5043310), (20, 4034648), (32, 2521655), (40, 2017324), (80, 1008662), (160, 504331), (271, 297760), (542, 148880), (1084, 74440), (1355, 59552), (1861, 43360), (2168, 37220), (2710, 29776), (3722, 21680), (4336, 18610), (5420, 14888), (7444, 10840), (8672, 9305)]