69994840

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{12589}}^1$

素因数の和:12739

約数の個数: 32

約数和(自身を含む): 158634000

約数和(自身を除く): 88639160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 12589, 25178, 50356, 62945, 100712, 125890, 251780, 503560, 1749871, 3499742, 6999484, 8749355, 13998968, 17498710, 34997420, 69994840]

約数ペア:

[(1, 69994840), (2, 34997420), (4, 17498710), (5, 13998968), (8, 8749355), (10, 6999484), (20, 3499742), (40, 1749871), (139, 503560), (278, 251780), (556, 125890), (695, 100712), (1112, 62945), (1390, 50356), (2780, 25178), (5560, 12589)]