66251120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63703}}^1$

素因数の和:63729

約数の個数: 40

約数和(自身を含む): 165885216

約数和(自身を除く): 99634096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 63703, 127406, 254812, 318515, 509624, 637030, 828139, 1019248, 1274060, 1656278, 2548120, 3312556, 4140695, 5096240, 6625112, 8281390, 13250224, 16562780, 33125560, 66251120]

約数ペア:

[(1, 66251120), (2, 33125560), (4, 16562780), (5, 13250224), (8, 8281390), (10, 6625112), (13, 5096240), (16, 4140695), (20, 3312556), (26, 2548120), (40, 1656278), (52, 1274060), (65, 1019248), (80, 828139), (104, 637030), (130, 509624), (208, 318515), (260, 254812), (520, 127406), (1040, 63703)]