2558120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2063}}^1$

素因数の和:2105

約数の個数: 32

約数和(自身を含む): 5944320

約数和(自身を除く): 3386200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 2063, 4126, 8252, 10315, 16504, 20630, 41260, 63953, 82520, 127906, 255812, 319765, 511624, 639530, 1279060, 2558120]

約数ペア:

[(1, 2558120), (2, 1279060), (4, 639530), (5, 511624), (8, 319765), (10, 255812), (20, 127906), (31, 82520), (40, 63953), (62, 41260), (124, 20630), (155, 16504), (248, 10315), (310, 8252), (620, 4126), (1240, 2063)]