131450840

素因数分解:

$2^3\times 5^1\times {\mathrm{619}}^1\times {\mathrm{5309}}^1$

素因数の和:5939

約数の個数: 32

約数和(自身を含む): 296298000

約数和(自身を除く): 164847160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 619, 1238, 2476, 3095, 4952, 5309, 6190, 10618, 12380, 21236, 24760, 26545, 42472, 53090, 106180, 212360, 3286271, 6572542, 13145084, 16431355, 26290168, 32862710, 65725420, 131450840]

約数ペア:

[(1, 131450840), (2, 65725420), (4, 32862710), (5, 26290168), (8, 16431355), (10, 13145084), (20, 6572542), (40, 3286271), (619, 212360), (1238, 106180), (2476, 53090), (3095, 42472), (4952, 26545), (5309, 24760), (6190, 21236), (10618, 12380)]