16465880

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5639}}^1$

素因数の和:5723

約数の個数: 32

約数和(自身を含む): 37562400

約数和(自身を除く): 21096520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 5639, 11278, 22556, 28195, 45112, 56390, 112780, 225560, 411647, 823294, 1646588, 2058235, 3293176, 4116470, 8232940, 16465880]

約数ペア:

[(1, 16465880), (2, 8232940), (4, 4116470), (5, 3293176), (8, 2058235), (10, 1646588), (20, 823294), (40, 411647), (73, 225560), (146, 112780), (292, 56390), (365, 45112), (584, 28195), (730, 22556), (1460, 11278), (2920, 5639)]