1915726640

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{584063}}^1$

素因数の和:584117

約数の個数: 40

約数和(自身を含む): 4562707968

約数和(自身を除く): 2646981328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 584063, 1168126, 2336252, 2920315, 4672504, 5840630, 9345008, 11681260, 23362520, 23946583, 46725040, 47893166, 95786332, 119732915, 191572664, 239465830, 383145328, 478931660, 957863320, 1915726640]

約数ペア:

[(1, 1915726640), (2, 957863320), (4, 478931660), (5, 383145328), (8, 239465830), (10, 191572664), (16, 119732915), (20, 95786332), (40, 47893166), (41, 46725040), (80, 23946583), (82, 23362520), (164, 11681260), (205, 9345008), (328, 5840630), (410, 4672504), (656, 2920315), (820, 2336252), (1640, 1168126), (3280, 584063)]