39846940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1181}}^1$

素因数の和:1438

約数の個数: 48

約数和(自身を含む): 96110784

約数和(自身を除く): 56263844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 241, 482, 964, 1181, 1205, 1687, 2362, 2410, 3374, 4724, 4820, 5905, 6748, 8267, 8435, 11810, 16534, 16870, 23620, 33068, 33740, 41335, 82670, 165340, 284621, 569242, 1138484, 1423105, 1992347, 2846210, 3984694, 5692420, 7969388, 9961735, 19923470, 39846940]

約数ペア:

[(1, 39846940), (2, 19923470), (4, 9961735), (5, 7969388), (7, 5692420), (10, 3984694), (14, 2846210), (20, 1992347), (28, 1423105), (35, 1138484), (70, 569242), (140, 284621), (241, 165340), (482, 82670), (964, 41335), (1181, 33740), (1205, 33068), (1687, 23620), (2362, 16870), (2410, 16534), (3374, 11810), (4724, 8435), (4820, 8267), (5905, 6748)]