1642840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{613}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 3757680

約数和(自身を除く): 2114840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 613, 670, 1226, 1340, 2452, 2680, 3065, 4904, 6130, 12260, 24520, 41071, 82142, 164284, 205355, 328568, 410710, 821420, 1642840]

約数ペア:

[(1, 1642840), (2, 821420), (4, 410710), (5, 328568), (8, 205355), (10, 164284), (20, 82142), (40, 41071), (67, 24520), (134, 12260), (268, 6130), (335, 4904), (536, 3065), (613, 2680), (670, 2452), (1226, 1340)]