25460920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20533}}^1$

素因数の和:20575

約数の個数: 32

約数和(自身を含む): 59137920

約数和(自身を除く): 33677000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 20533, 41066, 82132, 102665, 164264, 205330, 410660, 636523, 821320, 1273046, 2546092, 3182615, 5092184, 6365230, 12730460, 25460920]

約数ペア:

[(1, 25460920), (2, 12730460), (4, 6365230), (5, 5092184), (8, 3182615), (10, 2546092), (20, 1273046), (31, 821320), (40, 636523), (62, 410660), (124, 205330), (155, 164264), (248, 102665), (310, 82132), (620, 41066), (1240, 20533)]