40542520

素因数分解:

$2^3\times 5^1\times {\mathrm{1013563}}^1$

素因数の和:1013574

約数の個数: 16

約数和(自身を含む): 91220760

約数和(自身を除く): 50678240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013563, 2027126, 4054252, 5067815, 8108504, 10135630, 20271260, 40542520]

約数ペア:

[(1, 40542520), (2, 20271260), (4, 10135630), (5, 8108504), (8, 5067815), (10, 4054252), (20, 2027126), (40, 1013563)]