262113680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{105691}}^1$

素因数の和:105735

約数の個数: 40

約数和(自身を含む): 629078784

約数和(自身を除く): 366965104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 105691, 211382, 422764, 528455, 845528, 1056910, 1691056, 2113820, 3276421, 4227640, 6552842, 8455280, 13105684, 16382105, 26211368, 32764210, 52422736, 65528420, 131056840, 262113680]

約数ペア:

[(1, 262113680), (2, 131056840), (4, 65528420), (5, 52422736), (8, 32764210), (10, 26211368), (16, 16382105), (20, 13105684), (31, 8455280), (40, 6552842), (62, 4227640), (80, 3276421), (124, 2113820), (155, 1691056), (248, 1056910), (310, 845528), (496, 528455), (620, 422764), (1240, 211382), (2480, 105691)]