548236420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{668581}}^1$

素因数の和:668631

約数の個数: 24

約数和(自身を含む): 1179378648

約数和(自身を除く): 631142228

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 668581, 1337162, 2674324, 3342905, 6685810, 13371620, 27411821, 54823642, 109647284, 137059105, 274118210, 548236420]

約数ペア:

[(1, 548236420), (2, 274118210), (4, 137059105), (5, 109647284), (10, 54823642), (20, 27411821), (41, 13371620), (82, 6685810), (164, 3342905), (205, 2674324), (410, 1337162), (820, 668581)]