9215980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11239}}^1$

素因数の和:11289

約数の個数: 24

約数和(自身を含む): 19827360

約数和(自身を除く): 10611380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 11239, 22478, 44956, 56195, 112390, 224780, 460799, 921598, 1843196, 2303995, 4607990, 9215980]

約数ペア:

[(1, 9215980), (2, 4607990), (4, 2303995), (5, 1843196), (10, 921598), (20, 460799), (41, 224780), (82, 112390), (164, 56195), (205, 44956), (410, 22478), (820, 11239)]