1629680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1567}}^1$

素因数の和:1593

約数の個数: 40

約数和(自身を含む): 4083072

約数和(自身を除く): 2453392

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1567, 3134, 6268, 7835, 12536, 15670, 20371, 25072, 31340, 40742, 62680, 81484, 101855, 125360, 162968, 203710, 325936, 407420, 814840, 1629680]

約数ペア:

[(1, 1629680), (2, 814840), (4, 407420), (5, 325936), (8, 203710), (10, 162968), (13, 125360), (16, 101855), (20, 81484), (26, 62680), (40, 40742), (52, 31340), (65, 25072), (80, 20371), (104, 15670), (130, 12536), (208, 7835), (260, 6268), (520, 3134), (1040, 1567)]