66618640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{75703}}^1$

素因数の和:75727

約数の個数: 40

約数和(自身を含む): 168971328

約数和(自身を除く): 102352688

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 75703, 151406, 302812, 378515, 605624, 757030, 832733, 1211248, 1514060, 1665466, 3028120, 3330932, 4163665, 6056240, 6661864, 8327330, 13323728, 16654660, 33309320, 66618640]

約数ペア:

[(1, 66618640), (2, 33309320), (4, 16654660), (5, 13323728), (8, 8327330), (10, 6661864), (11, 6056240), (16, 4163665), (20, 3330932), (22, 3028120), (40, 1665466), (44, 1514060), (55, 1211248), (80, 832733), (88, 757030), (110, 605624), (176, 378515), (220, 302812), (440, 151406), (880, 75703)]