1298818480

素因数分解:

$2^4\times 5^1\times {\mathrm{563}}^1\times {\mathrm{28837}}^1$

素因数の和:29413

約数の個数: 40

約数和(自身を含む): 3025221552

約数和(自身を除く): 1726403072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 563, 1126, 2252, 2815, 4504, 5630, 9008, 11260, 22520, 28837, 45040, 57674, 115348, 144185, 230696, 288370, 461392, 576740, 1153480, 2306960, 16235231, 32470462, 64940924, 81176155, 129881848, 162352310, 259763696, 324704620, 649409240, 1298818480]

約数ペア:

[(1, 1298818480), (2, 649409240), (4, 324704620), (5, 259763696), (8, 162352310), (10, 129881848), (16, 81176155), (20, 64940924), (40, 32470462), (80, 16235231), (563, 2306960), (1126, 1153480), (2252, 576740), (2815, 461392), (4504, 288370), (5630, 230696), (9008, 144185), (11260, 115348), (22520, 57674), (28837, 45040)]