25876760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7109}}^1$

素因数の和:7140

約数の個数: 64

約数和(自身を含む): 71668800

約数和(自身を除く): 45792040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 7109, 14218, 28436, 35545, 49763, 56872, 71090, 92417, 99526, 142180, 184834, 199052, 248815, 284360, 369668, 398104, 462085, 497630, 646919, 739336, 924170, 995260, 1293838, 1848340, 1990520, 2587676, 3234595, 3696680, 5175352, 6469190, 12938380, 25876760]

約数ペア:

[(1, 25876760), (2, 12938380), (4, 6469190), (5, 5175352), (7, 3696680), (8, 3234595), (10, 2587676), (13, 1990520), (14, 1848340), (20, 1293838), (26, 995260), (28, 924170), (35, 739336), (40, 646919), (52, 497630), (56, 462085), (65, 398104), (70, 369668), (91, 284360), (104, 248815), (130, 199052), (140, 184834), (182, 142180), (260, 99526), (280, 92417), (364, 71090), (455, 56872), (520, 49763), (728, 35545), (910, 28436), (1820, 14218), (3640, 7109)]