30356440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{24481}}^1$

素因数の和:24523

約数の個数: 32

約数和(自身を含む): 70508160

約数和(自身を除く): 40151720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 24481, 48962, 97924, 122405, 195848, 244810, 489620, 758911, 979240, 1517822, 3035644, 3794555, 6071288, 7589110, 15178220, 30356440]

約数ペア:

[(1, 30356440), (2, 15178220), (4, 7589110), (5, 6071288), (8, 3794555), (10, 3035644), (20, 1517822), (31, 979240), (40, 758911), (62, 489620), (124, 244810), (155, 195848), (248, 122405), (310, 97924), (620, 48962), (1240, 24481)]