27625240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{223}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 66124800

約数和(自身を除く): 38499560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 163, 190, 223, 326, 380, 446, 652, 760, 815, 892, 1115, 1304, 1630, 1784, 2230, 3097, 3260, 4237, 4460, 6194, 6520, 8474, 8920, 12388, 15485, 16948, 21185, 24776, 30970, 33896, 36349, 42370, 61940, 72698, 84740, 123880, 145396, 169480, 181745, 290792, 363490, 690631, 726980, 1381262, 1453960, 2762524, 3453155, 5525048, 6906310, 13812620, 27625240]

約数ペア:

[(1, 27625240), (2, 13812620), (4, 6906310), (5, 5525048), (8, 3453155), (10, 2762524), (19, 1453960), (20, 1381262), (38, 726980), (40, 690631), (76, 363490), (95, 290792), (152, 181745), (163, 169480), (190, 145396), (223, 123880), (326, 84740), (380, 72698), (446, 61940), (652, 42370), (760, 36349), (815, 33896), (892, 30970), (1115, 24776), (1304, 21185), (1630, 16948), (1784, 15485), (2230, 12388), (3097, 8920), (3260, 8474), (4237, 6520), (4460, 6194)]