53813980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{739}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 123822720

約数和(自身を除く): 70008740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 331, 662, 739, 1324, 1478, 1655, 2956, 3310, 3641, 3695, 6620, 7282, 7390, 8129, 14564, 14780, 16258, 18205, 32516, 36410, 40645, 72820, 81290, 162580, 244609, 489218, 978436, 1223045, 2446090, 2690699, 4892180, 5381398, 10762796, 13453495, 26906990, 53813980]

約数ペア:

[(1, 53813980), (2, 26906990), (4, 13453495), (5, 10762796), (10, 5381398), (11, 4892180), (20, 2690699), (22, 2446090), (44, 1223045), (55, 978436), (110, 489218), (220, 244609), (331, 162580), (662, 81290), (739, 72820), (1324, 40645), (1478, 36410), (1655, 32516), (2956, 18205), (3310, 16258), (3641, 14780), (3695, 14564), (6620, 8129), (7282, 7390)]