63967940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{4003}}^1$

素因数の和:4076

約数の個数: 48

約数和(自身を含む): 145297152

約数和(自身を除く): 81329212

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1598, 3196, 3995, 4003, 7990, 8006, 15980, 16012, 20015, 40030, 68051, 80060, 136102, 188141, 272204, 340255, 376282, 680510, 752564, 940705, 1361020, 1881410, 3198397, 3762820, 6396794, 12793588, 15991985, 31983970, 63967940]

約数ペア:

[(1, 63967940), (2, 31983970), (4, 15991985), (5, 12793588), (10, 6396794), (17, 3762820), (20, 3198397), (34, 1881410), (47, 1361020), (68, 940705), (85, 752564), (94, 680510), (170, 376282), (188, 340255), (235, 272204), (340, 188141), (470, 136102), (799, 80060), (940, 68051), (1598, 40030), (3196, 20015), (3995, 16012), (4003, 15980), (7990, 8006)]