6640360

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4049}}^1$

素因数の和:4101

約数の個数: 32

約数和(自身を含む): 15309000

約数和(自身を除く): 8668640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 4049, 8098, 16196, 20245, 32392, 40490, 80980, 161960, 166009, 332018, 664036, 830045, 1328072, 1660090, 3320180, 6640360]

約数ペア:

[(1, 6640360), (2, 3320180), (4, 1660090), (5, 1328072), (8, 830045), (10, 664036), (20, 332018), (40, 166009), (41, 161960), (82, 80980), (164, 40490), (205, 32392), (328, 20245), (410, 16196), (820, 8098), (1640, 4049)]