40721018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{509}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 70171920

約数和(自身を除く): 29450902

約数列:

[1, 2, 13, 17, 26, 34, 181, 221, 362, 442, 509, 1018, 2353, 3077, 4706, 6154, 6617, 8653, 13234, 17306, 40001, 80002, 92129, 112489, 184258, 224978, 1197677, 1566193, 2395354, 3132386, 20360509, 40721018]

約数ペア:

[(1, 40721018), (2, 20360509), (13, 3132386), (17, 2395354), (26, 1566193), (34, 1197677), (181, 224978), (221, 184258), (362, 112489), (442, 92129), (509, 80002), (1018, 40001), (2353, 17306), (3077, 13234), (4706, 8653), (6154, 6617)]