129132040

素因数分解:

$2^3\times 5^1\times {\mathrm{1709}}^1\times {\mathrm{1889}}^1$

素因数の和:3609

約数の個数: 32

約数和(自身を含む): 290871000

約数和(自身を除く): 161738960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1709, 1889, 3418, 3778, 6836, 7556, 8545, 9445, 13672, 15112, 17090, 18890, 34180, 37780, 68360, 75560, 3228301, 6456602, 12913204, 16141505, 25826408, 32283010, 64566020, 129132040]

約数ペア:

[(1, 129132040), (2, 64566020), (4, 32283010), (5, 25826408), (8, 16141505), (10, 12913204), (20, 6456602), (40, 3228301), (1709, 75560), (1889, 68360), (3418, 37780), (3778, 34180), (6836, 18890), (7556, 17090), (8545, 15112), (9445, 13672)]