40009980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4091}}^1$

素因数の和:4266

約数の個数: 48

約数和(自身を含む): 112742784

約数和(自身を除く): 72732804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 163, 326, 489, 652, 815, 978, 1630, 1956, 2445, 3260, 4091, 4890, 8182, 9780, 12273, 16364, 20455, 24546, 40910, 49092, 61365, 81820, 122730, 245460, 666833, 1333666, 2000499, 2667332, 3334165, 4000998, 6668330, 8001996, 10002495, 13336660, 20004990, 40009980]

約数ペア:

[(1, 40009980), (2, 20004990), (3, 13336660), (4, 10002495), (5, 8001996), (6, 6668330), (10, 4000998), (12, 3334165), (15, 2667332), (20, 2000499), (30, 1333666), (60, 666833), (163, 245460), (326, 122730), (489, 81820), (652, 61365), (815, 49092), (978, 40910), (1630, 24546), (1956, 20455), (2445, 16364), (3260, 12273), (4091, 9780), (4890, 8182)]