2127920

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:477

約数の個数: 40

約数和(自身を含む): 5033904

約数和(自身を除く): 2905984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 397, 536, 670, 794, 1072, 1340, 1588, 1985, 2680, 3176, 3970, 5360, 6352, 7940, 15880, 26599, 31760, 53198, 106396, 132995, 212792, 265990, 425584, 531980, 1063960, 2127920]

約数ペア:

[(1, 2127920), (2, 1063960), (4, 531980), (5, 425584), (8, 265990), (10, 212792), (16, 132995), (20, 106396), (40, 53198), (67, 31760), (80, 26599), (134, 15880), (268, 7940), (335, 6352), (397, 5360), (536, 3970), (670, 3176), (794, 2680), (1072, 1985), (1340, 1588)]