69423880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{55987}}^1$

素因数の和:56029

約数の個数: 32

約数和(自身を含む): 161245440

約数和(自身を除く): 91821560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 55987, 111974, 223948, 279935, 447896, 559870, 1119740, 1735597, 2239480, 3471194, 6942388, 8677985, 13884776, 17355970, 34711940, 69423880]

約数ペア:

[(1, 69423880), (2, 34711940), (4, 17355970), (5, 13884776), (8, 8677985), (10, 6942388), (20, 3471194), (31, 2239480), (40, 1735597), (62, 1119740), (124, 559870), (155, 447896), (248, 279935), (310, 223948), (620, 111974), (1240, 55987)]