2688894520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{19081}}^1$

素因数の和:19376

約数の個数: 64

約数和(自身を含む): 6539783040

約数和(自身を除く): 3850888520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 271, 520, 542, 1084, 1355, 2168, 2710, 3523, 5420, 7046, 10840, 14092, 17615, 19081, 28184, 35230, 38162, 70460, 76324, 95405, 140920, 152648, 190810, 248053, 381620, 496106, 763240, 992212, 1240265, 1984424, 2480530, 4961060, 5170951, 9922120, 10341902, 20683804, 25854755, 41367608, 51709510, 67222363, 103419020, 134444726, 206838040, 268889452, 336111815, 537778904, 672223630, 1344447260, 2688894520]

約数ペア:

[(1, 2688894520), (2, 1344447260), (4, 672223630), (5, 537778904), (8, 336111815), (10, 268889452), (13, 206838040), (20, 134444726), (26, 103419020), (40, 67222363), (52, 51709510), (65, 41367608), (104, 25854755), (130, 20683804), (260, 10341902), (271, 9922120), (520, 5170951), (542, 4961060), (1084, 2480530), (1355, 1984424), (2168, 1240265), (2710, 992212), (3523, 763240), (5420, 496106), (7046, 381620), (10840, 248053), (14092, 190810), (17615, 152648), (19081, 140920), (28184, 95405), (35230, 76324), (38162, 70460)]