3688880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3547}}^1$

素因数の和:3573

約数の個数: 40

約数和(自身を含む): 9238992

約数和(自身を除く): 5550112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 3547, 7094, 14188, 17735, 28376, 35470, 46111, 56752, 70940, 92222, 141880, 184444, 230555, 283760, 368888, 461110, 737776, 922220, 1844440, 3688880]

約数ペア:

[(1, 3688880), (2, 1844440), (4, 922220), (5, 737776), (8, 461110), (10, 368888), (13, 283760), (16, 230555), (20, 184444), (26, 141880), (40, 92222), (52, 70940), (65, 56752), (80, 46111), (104, 35470), (130, 28376), (208, 17735), (260, 14188), (520, 7094), (1040, 3547)]