10638640

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1873}}^1$

素因数の和:1957

約数の個数: 40

約数和(自身を含む): 25096608

約数和(自身を除く): 14457968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 1873, 2840, 3746, 5680, 7492, 9365, 14984, 18730, 29968, 37460, 74920, 132983, 149840, 265966, 531932, 664915, 1063864, 1329830, 2127728, 2659660, 5319320, 10638640]

約数ペア:

[(1, 10638640), (2, 5319320), (4, 2659660), (5, 2127728), (8, 1329830), (10, 1063864), (16, 664915), (20, 531932), (40, 265966), (71, 149840), (80, 132983), (142, 74920), (284, 37460), (355, 29968), (568, 18730), (710, 14984), (1136, 9365), (1420, 7492), (1873, 5680), (2840, 3746)]