1685489840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{679633}}^1$

素因数の和:679677

約数の個数: 40

約数和(自身を含む): 4045181568

約数和(自身を除く): 2359691728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 679633, 1359266, 2718532, 3398165, 5437064, 6796330, 10874128, 13592660, 21068623, 27185320, 42137246, 54370640, 84274492, 105343115, 168548984, 210686230, 337097968, 421372460, 842744920, 1685489840]

約数ペア:

[(1, 1685489840), (2, 842744920), (4, 421372460), (5, 337097968), (8, 210686230), (10, 168548984), (16, 105343115), (20, 84274492), (31, 54370640), (40, 42137246), (62, 27185320), (80, 21068623), (124, 13592660), (155, 10874128), (248, 6796330), (310, 5437064), (496, 3398165), (620, 2718532), (1240, 1359266), (2480, 679633)]