7508020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 17273088

約数和(自身を除く): 9765068

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 431, 670, 862, 871, 1340, 1724, 1742, 2155, 3484, 4310, 4355, 5603, 8620, 8710, 11206, 17420, 22412, 28015, 28877, 56030, 57754, 112060, 115508, 144385, 288770, 375401, 577540, 750802, 1501604, 1877005, 3754010, 7508020]

約数ペア:

[(1, 7508020), (2, 3754010), (4, 1877005), (5, 1501604), (10, 750802), (13, 577540), (20, 375401), (26, 288770), (52, 144385), (65, 115508), (67, 112060), (130, 57754), (134, 56030), (260, 28877), (268, 28015), (335, 22412), (431, 17420), (670, 11206), (862, 8710), (871, 8620), (1340, 5603), (1724, 4355), (1742, 4310), (2155, 3484)]