257596880

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{40759}}^1$

素因数の和:40851

約数の個数: 40

約数和(自身を含む): 606508800

約数和(自身を除く): 348911920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 40759, 81518, 163036, 203795, 326072, 407590, 652144, 815180, 1630360, 3219961, 3260720, 6439922, 12879844, 16099805, 25759688, 32199610, 51519376, 64399220, 128798440, 257596880]

約数ペア:

[(1, 257596880), (2, 128798440), (4, 64399220), (5, 51519376), (8, 32199610), (10, 25759688), (16, 16099805), (20, 12879844), (40, 6439922), (79, 3260720), (80, 3219961), (158, 1630360), (316, 815180), (395, 652144), (632, 407590), (790, 326072), (1264, 203795), (1580, 163036), (3160, 81518), (6320, 40759)]