54288440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43781}}^1$

素因数の和:43823

約数の個数: 32

約数和(自身を含む): 126092160

約数和(自身を除く): 71803720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 43781, 87562, 175124, 218905, 350248, 437810, 875620, 1357211, 1751240, 2714422, 5428844, 6786055, 10857688, 13572110, 27144220, 54288440]

約数ペア:

[(1, 54288440), (2, 27144220), (4, 13572110), (5, 10857688), (8, 6786055), (10, 5428844), (20, 2714422), (31, 1751240), (40, 1357211), (62, 875620), (124, 437810), (155, 350248), (248, 218905), (310, 175124), (620, 87562), (1240, 43781)]