85040140

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{51229}}^1$

素因数の和:51321

約数の個数: 24

約数和(自身を含む): 180739440

約数和(自身を除く): 95699300

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 51229, 102458, 204916, 256145, 512290, 1024580, 4252007, 8504014, 17008028, 21260035, 42520070, 85040140]

約数ペア:

[(1, 85040140), (2, 42520070), (4, 21260035), (5, 17008028), (10, 8504014), (20, 4252007), (83, 1024580), (166, 512290), (332, 256145), (415, 204916), (830, 102458), (1660, 51229)]