56109620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1663}}^1$

素因数の和:1920

約数の個数: 48

約数和(自身を含む): 135303168

約数和(自身を除く): 79193548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 964, 1205, 1663, 1687, 2410, 3326, 3374, 4820, 6652, 6748, 8315, 8435, 11641, 16630, 16870, 23282, 33260, 33740, 46564, 58205, 116410, 232820, 400783, 801566, 1603132, 2003915, 2805481, 4007830, 5610962, 8015660, 11221924, 14027405, 28054810, 56109620]

約数ペア:

[(1, 56109620), (2, 28054810), (4, 14027405), (5, 11221924), (7, 8015660), (10, 5610962), (14, 4007830), (20, 2805481), (28, 2003915), (35, 1603132), (70, 801566), (140, 400783), (241, 232820), (482, 116410), (964, 58205), (1205, 46564), (1663, 33740), (1687, 33260), (2410, 23282), (3326, 16870), (3374, 16630), (4820, 11641), (6652, 8435), (6748, 8315)]