90540620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{63761}}^1$

素因数の和:63841

約数の個数: 24

約数和(自身を含む): 192816288

約数和(自身を除く): 102275668

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 63761, 127522, 255044, 318805, 637610, 1275220, 4527031, 9054062, 18108124, 22635155, 45270310, 90540620]

約数ペア:

[(1, 90540620), (2, 45270310), (4, 22635155), (5, 18108124), (10, 9054062), (20, 4527031), (71, 1275220), (142, 637610), (284, 318805), (355, 255044), (710, 127522), (1420, 63761)]