670943689040

素因数分解:

$2^4\times 5^1\times {\mathrm{40531}}^1\times {\mathrm{206923}}^1$

素因数の和:247467

約数の個数: 40

約数和(自身を含む): 1559990103648

約数和(自身を除く): 889046414608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 40531, 81062, 162124, 202655, 206923, 324248, 405310, 413846, 648496, 810620, 827692, 1034615, 1621240, 1655384, 2069230, 3242480, 3310768, 4138460, 8276920, 16553840, 8386796113, 16773592226, 33547184452, 41933980565, 67094368904, 83867961130, 134188737808, 167735922260, 335471844520, 670943689040]

約数ペア:

[(1, 670943689040), (2, 335471844520), (4, 167735922260), (5, 134188737808), (8, 83867961130), (10, 67094368904), (16, 41933980565), (20, 33547184452), (40, 16773592226), (80, 8386796113), (40531, 16553840), (81062, 8276920), (162124, 4138460), (202655, 3310768), (206923, 3242480), (324248, 2069230), (405310, 1655384), (413846, 1621240), (648496, 1034615), (810620, 827692)]