89435620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{2153}}^1$

素因数の和:2260

約数の個数: 48

約数和(自身を含む): 196858368

約数和(自身を除く): 107422748

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 620, 670, 1340, 2077, 2153, 4154, 4306, 8308, 8612, 10385, 10765, 20770, 21530, 41540, 43060, 66743, 133486, 144251, 266972, 288502, 333715, 577004, 667430, 721255, 1334860, 1442510, 2885020, 4471781, 8943562, 17887124, 22358905, 44717810, 89435620]

約数ペア:

[(1, 89435620), (2, 44717810), (4, 22358905), (5, 17887124), (10, 8943562), (20, 4471781), (31, 2885020), (62, 1442510), (67, 1334860), (124, 721255), (134, 667430), (155, 577004), (268, 333715), (310, 288502), (335, 266972), (620, 144251), (670, 133486), (1340, 66743), (2077, 43060), (2153, 41540), (4154, 21530), (4306, 20770), (8308, 10765), (8612, 10385)]