80853890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20063}}^1$

素因数の和:20114

約数の個数: 32

約数和(自身を含む): 161796096

約数和(自身を除く): 80942206

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 20063, 40126, 100315, 200630, 260819, 521638, 621953, 1243906, 1304095, 2608190, 3109765, 6219530, 8085389, 16170778, 40426945, 80853890]

約数ペア:

[(1, 80853890), (2, 40426945), (5, 16170778), (10, 8085389), (13, 6219530), (26, 3109765), (31, 2608190), (62, 1304095), (65, 1243906), (130, 621953), (155, 521638), (310, 260819), (403, 200630), (806, 100315), (2015, 40126), (4030, 20063)]