25393160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1039}}^1$

素因数の和:1110

約数の個数: 64

約数和(自身を含む): 62899200

約数和(自身を除く): 37506040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 47, 52, 65, 94, 104, 130, 188, 235, 260, 376, 470, 520, 611, 940, 1039, 1222, 1880, 2078, 2444, 3055, 4156, 4888, 5195, 6110, 8312, 10390, 12220, 13507, 20780, 24440, 27014, 41560, 48833, 54028, 67535, 97666, 108056, 135070, 195332, 244165, 270140, 390664, 488330, 540280, 634829, 976660, 1269658, 1953320, 2539316, 3174145, 5078632, 6348290, 12696580, 25393160]

約数ペア:

[(1, 25393160), (2, 12696580), (4, 6348290), (5, 5078632), (8, 3174145), (10, 2539316), (13, 1953320), (20, 1269658), (26, 976660), (40, 634829), (47, 540280), (52, 488330), (65, 390664), (94, 270140), (104, 244165), (130, 195332), (188, 135070), (235, 108056), (260, 97666), (376, 67535), (470, 54028), (520, 48833), (611, 41560), (940, 27014), (1039, 24440), (1222, 20780), (1880, 13507), (2078, 12220), (2444, 10390), (3055, 8312), (4156, 6110), (4888, 5195)]