13381460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 29417472

約数和(自身を除く): 16036012

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 113, 124, 155, 191, 226, 310, 382, 452, 565, 620, 764, 955, 1130, 1910, 2260, 3503, 3820, 5921, 7006, 11842, 14012, 17515, 21583, 23684, 29605, 35030, 43166, 59210, 70060, 86332, 107915, 118420, 215830, 431660, 669073, 1338146, 2676292, 3345365, 6690730, 13381460]

約数ペア:

[(1, 13381460), (2, 6690730), (4, 3345365), (5, 2676292), (10, 1338146), (20, 669073), (31, 431660), (62, 215830), (113, 118420), (124, 107915), (155, 86332), (191, 70060), (226, 59210), (310, 43166), (382, 35030), (452, 29605), (565, 23684), (620, 21583), (764, 17515), (955, 14012), (1130, 11842), (1910, 7006), (2260, 5921), (3503, 3820)]