84971120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81703}}^1$

素因数の和:81729

約数の個数: 40

約数和(自身を含む): 212757216

約数和(自身を除く): 127786096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 81703, 163406, 326812, 408515, 653624, 817030, 1062139, 1307248, 1634060, 2124278, 3268120, 4248556, 5310695, 6536240, 8497112, 10621390, 16994224, 21242780, 42485560, 84971120]

約数ペア:

[(1, 84971120), (2, 42485560), (4, 21242780), (5, 16994224), (8, 10621390), (10, 8497112), (13, 6536240), (16, 5310695), (20, 4248556), (26, 3268120), (40, 2124278), (52, 1634060), (65, 1307248), (80, 1062139), (104, 817030), (130, 653624), (208, 408515), (260, 326812), (520, 163406), (1040, 81703)]