40222340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{421}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 89967024

約数和(自身を除く): 49744684

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 281, 340, 421, 562, 842, 1124, 1405, 1684, 2105, 2810, 4210, 4777, 5620, 7157, 8420, 9554, 14314, 19108, 23885, 28628, 35785, 47770, 71570, 95540, 118301, 143140, 236602, 473204, 591505, 1183010, 2011117, 2366020, 4022234, 8044468, 10055585, 20111170, 40222340]

約数ペア:

[(1, 40222340), (2, 20111170), (4, 10055585), (5, 8044468), (10, 4022234), (17, 2366020), (20, 2011117), (34, 1183010), (68, 591505), (85, 473204), (170, 236602), (281, 143140), (340, 118301), (421, 95540), (562, 71570), (842, 47770), (1124, 35785), (1405, 28628), (1684, 23885), (2105, 19108), (2810, 14314), (4210, 9554), (4777, 8420), (5620, 7157)]