39990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:84

約数の個数: 32

約数和(自身を含む): 101376

約数和(自身を除く): 61386

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 43, 62, 86, 93, 129, 155, 186, 215, 258, 310, 430, 465, 645, 930, 1290, 1333, 2666, 3999, 6665, 7998, 13330, 19995, 39990]

約数ペア:

[(1, 39990), (2, 19995), (3, 13330), (5, 7998), (6, 6665), (10, 3999), (15, 2666), (30, 1333), (31, 1290), (43, 930), (62, 645), (86, 465), (93, 430), (129, 310), (155, 258), (186, 215)]