39935440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16103}}^1$

素因数の和:16147

約数の個数: 40

約数和(自身を含む): 95851008

約数和(自身を除く): 55915568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 16103, 32206, 64412, 80515, 128824, 161030, 257648, 322060, 499193, 644120, 998386, 1288240, 1996772, 2495965, 3993544, 4991930, 7987088, 9983860, 19967720, 39935440]

約数ペア:

[(1, 39935440), (2, 19967720), (4, 9983860), (5, 7987088), (8, 4991930), (10, 3993544), (16, 2495965), (20, 1996772), (31, 1288240), (40, 998386), (62, 644120), (80, 499193), (124, 322060), (155, 257648), (248, 161030), (310, 128824), (496, 80515), (620, 64412), (1240, 32206), (2480, 16103)]