8440360

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2671}}^1$

素因数の和:2761

約数の個数: 32

約数和(自身を含む): 19238400

約数和(自身を除く): 10798040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 2671, 3160, 5342, 10684, 13355, 21368, 26710, 53420, 106840, 211009, 422018, 844036, 1055045, 1688072, 2110090, 4220180, 8440360]

約数ペア:

[(1, 8440360), (2, 4220180), (4, 2110090), (5, 1688072), (8, 1055045), (10, 844036), (20, 422018), (40, 211009), (79, 106840), (158, 53420), (316, 26710), (395, 21368), (632, 13355), (790, 10684), (1580, 5342), (2671, 3160)]