90802720

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{18307}}^1$

素因数の和:18353

約数の個数: 48

約数和(自身を含む): 221453568

約数和(自身を除く): 130650848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 18307, 36614, 73228, 91535, 146456, 183070, 292912, 366140, 567517, 585824, 732280, 1135034, 1464560, 2270068, 2837585, 2929120, 4540136, 5675170, 9080272, 11350340, 18160544, 22700680, 45401360, 90802720]

約数ペア:

[(1, 90802720), (2, 45401360), (4, 22700680), (5, 18160544), (8, 11350340), (10, 9080272), (16, 5675170), (20, 4540136), (31, 2929120), (32, 2837585), (40, 2270068), (62, 1464560), (80, 1135034), (124, 732280), (155, 585824), (160, 567517), (248, 366140), (310, 292912), (496, 183070), (620, 146456), (992, 91535), (1240, 73228), (2480, 36614), (4960, 18307)]