69484760

素因数分解:

$2^3\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1789}}^1$

素因数の和:2771

約数の個数: 32

約数和(自身を含む): 156589200

約数和(自身を除く): 87104440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 971, 1789, 1942, 3578, 3884, 4855, 7156, 7768, 8945, 9710, 14312, 17890, 19420, 35780, 38840, 71560, 1737119, 3474238, 6948476, 8685595, 13896952, 17371190, 34742380, 69484760]

約数ペア:

[(1, 69484760), (2, 34742380), (4, 17371190), (5, 13896952), (8, 8685595), (10, 6948476), (20, 3474238), (40, 1737119), (971, 71560), (1789, 38840), (1942, 35780), (3578, 19420), (3884, 17890), (4855, 14312), (7156, 9710), (7768, 8945)]