79663180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{128489}}^1$

素因数の和:128529

約数の個数: 24

約数和(自身を含む): 172690560

約数和(自身を除く): 93027380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 128489, 256978, 513956, 642445, 1284890, 2569780, 3983159, 7966318, 15932636, 19915795, 39831590, 79663180]

約数ペア:

[(1, 79663180), (2, 39831590), (4, 19915795), (5, 15932636), (10, 7966318), (20, 3983159), (31, 2569780), (62, 1284890), (124, 642445), (155, 513956), (310, 256978), (620, 128489)]