7621960

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2141}}^1$

素因数の和:2241

約数の個数: 32

約数和(自身を含む): 17350200

約数和(自身を除く): 9728240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 2141, 3560, 4282, 8564, 10705, 17128, 21410, 42820, 85640, 190549, 381098, 762196, 952745, 1524392, 1905490, 3810980, 7621960]

約数ペア:

[(1, 7621960), (2, 3810980), (4, 1905490), (5, 1524392), (8, 952745), (10, 762196), (20, 381098), (40, 190549), (89, 85640), (178, 42820), (356, 21410), (445, 17128), (712, 10705), (890, 8564), (1780, 4282), (2141, 3560)]