25231380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1993}}^1$

素因数の和:2216

約数の個数: 48

約数和(自身を含む): 71018304

約数和(自身を除く): 45786924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 211, 422, 633, 844, 1055, 1266, 1993, 2110, 2532, 3165, 3986, 4220, 5979, 6330, 7972, 9965, 11958, 12660, 19930, 23916, 29895, 39860, 59790, 119580, 420523, 841046, 1261569, 1682092, 2102615, 2523138, 4205230, 5046276, 6307845, 8410460, 12615690, 25231380]

約数ペア:

[(1, 25231380), (2, 12615690), (3, 8410460), (4, 6307845), (5, 5046276), (6, 4205230), (10, 2523138), (12, 2102615), (15, 1682092), (20, 1261569), (30, 841046), (60, 420523), (211, 119580), (422, 59790), (633, 39860), (844, 29895), (1055, 23916), (1266, 19930), (1993, 12660), (2110, 11958), (2532, 9965), (3165, 7972), (3986, 6330), (4220, 5979)]