85464920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{24007}}^1$

素因数の和:24107

約数の個数: 32

約数和(自身を含む): 194464800

約数和(自身を除く): 108999880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 24007, 48014, 96028, 120035, 192056, 240070, 480140, 960280, 2136623, 4273246, 8546492, 10683115, 17092984, 21366230, 42732460, 85464920]

約数ペア:

[(1, 85464920), (2, 42732460), (4, 21366230), (5, 17092984), (8, 10683115), (10, 8546492), (20, 4273246), (40, 2136623), (89, 960280), (178, 480140), (356, 240070), (445, 192056), (712, 120035), (890, 96028), (1780, 48014), (3560, 24007)]