202142320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{81509}}^1$

素因数の和:81553

約数の個数: 40

約数和(自身を含む): 485147520

約数和(自身を除く): 283005200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 81509, 163018, 326036, 407545, 652072, 815090, 1304144, 1630180, 2526779, 3260360, 5053558, 6520720, 10107116, 12633895, 20214232, 25267790, 40428464, 50535580, 101071160, 202142320]

約数ペア:

[(1, 202142320), (2, 101071160), (4, 50535580), (5, 40428464), (8, 25267790), (10, 20214232), (16, 12633895), (20, 10107116), (31, 6520720), (40, 5053558), (62, 3260360), (80, 2526779), (124, 1630180), (155, 1304144), (248, 815090), (310, 652072), (496, 407545), (620, 326036), (1240, 163018), (2480, 81509)]