202021840

素因数分解:

$2^4\times 5^1\times {\mathrm{2525273}}^1$

素因数の和:2525286

約数の個数: 20

約数和(自身を含む): 469700964

約数和(自身を除く): 267679124

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2525273, 5050546, 10101092, 12626365, 20202184, 25252730, 40404368, 50505460, 101010920, 202021840]

約数ペア:

[(1, 202021840), (2, 101010920), (4, 50505460), (5, 40404368), (8, 25252730), (10, 20202184), (16, 12626365), (20, 10101092), (40, 5050546), (80, 2525273)]