25937080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1664

約数の個数: 64

約数和(自身を含む): 64915200

約数和(自身を除く): 38978120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1609, 1612, 2015, 3218, 3224, 4030, 6436, 8045, 8060, 12872, 16090, 16120, 20917, 32180, 41834, 49879, 64360, 83668, 99758, 104585, 167336, 199516, 209170, 249395, 399032, 418340, 498790, 648427, 836680, 997580, 1296854, 1995160, 2593708, 3242135, 5187416, 6484270, 12968540, 25937080]

約数ペア:

[(1, 25937080), (2, 12968540), (4, 6484270), (5, 5187416), (8, 3242135), (10, 2593708), (13, 1995160), (20, 1296854), (26, 997580), (31, 836680), (40, 648427), (52, 498790), (62, 418340), (65, 399032), (104, 249395), (124, 209170), (130, 199516), (155, 167336), (248, 104585), (260, 99758), (310, 83668), (403, 64360), (520, 49879), (620, 41834), (806, 32180), (1240, 20917), (1609, 16120), (1612, 16090), (2015, 12872), (3218, 8060), (3224, 8045), (4030, 6436)]