385035920

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{117389}}^1$

素因数の和:117443

約数の個数: 40

約数和(自身を含む): 917050680

約数和(自身を除く): 532014760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 117389, 234778, 469556, 586945, 939112, 1173890, 1878224, 2347780, 4695560, 4812949, 9391120, 9625898, 19251796, 24064745, 38503592, 48129490, 77007184, 96258980, 192517960, 385035920]

約数ペア:

[(1, 385035920), (2, 192517960), (4, 96258980), (5, 77007184), (8, 48129490), (10, 38503592), (16, 24064745), (20, 19251796), (40, 9625898), (41, 9391120), (80, 4812949), (82, 4695560), (164, 2347780), (205, 1878224), (328, 1173890), (410, 939112), (656, 586945), (820, 469556), (1640, 234778), (3280, 117389)]