520040408

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{457}}^1\times {\mathrm{1381}}^1$

素因数の和:1947

約数の個数: 32

約数和(自身を含む): 987411360

約数和(自身を除く): 467370952

約数列:

[1, 2, 4, 8, 103, 206, 412, 457, 824, 914, 1381, 1828, 2762, 3656, 5524, 11048, 47071, 94142, 142243, 188284, 284486, 376568, 568972, 631117, 1137944, 1262234, 2524468, 5048936, 65005051, 130010102, 260020204, 520040408]

約数ペア:

[(1, 520040408), (2, 260020204), (4, 130010102), (8, 65005051), (103, 5048936), (206, 2524468), (412, 1262234), (457, 1137944), (824, 631117), (914, 568972), (1381, 376568), (1828, 284486), (2762, 188284), (3656, 142243), (5524, 94142), (11048, 47071)]