69490840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{56041}}^1$

素因数の和:56083

約数の個数: 32

約数和(自身を含む): 161400960

約数和(自身を除く): 91910120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 56041, 112082, 224164, 280205, 448328, 560410, 1120820, 1737271, 2241640, 3474542, 6949084, 8686355, 13898168, 17372710, 34745420, 69490840]

約数ペア:

[(1, 69490840), (2, 34745420), (4, 17372710), (5, 13898168), (8, 8686355), (10, 6949084), (20, 3474542), (31, 2241640), (40, 1737271), (62, 1120820), (124, 560410), (155, 448328), (248, 280205), (310, 224164), (620, 112082), (1240, 56041)]