26921570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 55732320

約数和(自身を除く): 28810750

約数列:

[1, 2, 5, 10, 13, 26, 29, 37, 58, 65, 74, 130, 145, 185, 193, 290, 370, 377, 386, 481, 754, 962, 965, 1073, 1885, 1930, 2146, 2405, 2509, 3770, 4810, 5018, 5365, 5597, 7141, 10730, 11194, 12545, 13949, 14282, 25090, 27898, 27985, 35705, 55970, 69745, 71410, 72761, 92833, 139490, 145522, 185666, 207089, 363805, 414178, 464165, 727610, 928330, 1035445, 2070890, 2692157, 5384314, 13460785, 26921570]

約数ペア:

[(1, 26921570), (2, 13460785), (5, 5384314), (10, 2692157), (13, 2070890), (26, 1035445), (29, 928330), (37, 727610), (58, 464165), (65, 414178), (74, 363805), (130, 207089), (145, 185666), (185, 145522), (193, 139490), (290, 92833), (370, 72761), (377, 71410), (386, 69745), (481, 55970), (754, 35705), (962, 27985), (965, 27898), (1073, 25090), (1885, 14282), (1930, 13949), (2146, 12545), (2405, 11194), (2509, 10730), (3770, 7141), (4810, 5597), (5018, 5365)]