263996080

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{49253}}^1$

素因数の和:49333

約数の個数: 40

約数和(自身を含む): 622964592

約数和(自身を除く): 358968512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 49253, 98506, 197012, 246265, 394024, 492530, 788048, 985060, 1970120, 3299951, 3940240, 6599902, 13199804, 16499755, 26399608, 32999510, 52799216, 65999020, 131998040, 263996080]

約数ペア:

[(1, 263996080), (2, 131998040), (4, 65999020), (5, 52799216), (8, 32999510), (10, 26399608), (16, 16499755), (20, 13199804), (40, 6599902), (67, 3940240), (80, 3299951), (134, 1970120), (268, 985060), (335, 788048), (536, 492530), (670, 394024), (1072, 246265), (1340, 197012), (2680, 98506), (5360, 49253)]