11885960

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1823}}^1$

素因数の和:1997

約数の個数: 32

約数和(自身を含む): 26922240

約数和(自身を除く): 15036280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 1823, 3260, 3646, 6520, 7292, 9115, 14584, 18230, 36460, 72920, 297149, 594298, 1188596, 1485745, 2377192, 2971490, 5942980, 11885960]

約数ペア:

[(1, 11885960), (2, 5942980), (4, 2971490), (5, 2377192), (8, 1485745), (10, 1188596), (20, 594298), (40, 297149), (163, 72920), (326, 36460), (652, 18230), (815, 14584), (1304, 9115), (1630, 7292), (1823, 6520), (3260, 3646)]