2669720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2153}}^1$

素因数の和:2195

約数の個数: 32

約数和(自身を含む): 6203520

約数和(自身を除く): 3533800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2153, 4306, 8612, 10765, 17224, 21530, 43060, 66743, 86120, 133486, 266972, 333715, 533944, 667430, 1334860, 2669720]

約数ペア:

[(1, 2669720), (2, 1334860), (4, 667430), (5, 533944), (8, 333715), (10, 266972), (20, 133486), (31, 86120), (40, 66743), (62, 43060), (124, 21530), (155, 17224), (248, 10765), (310, 8612), (620, 4306), (1240, 2153)]