1027240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 2354760

約数和(自身を除く): 1327520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 421, 488, 610, 842, 1220, 1684, 2105, 2440, 3368, 4210, 8420, 16840, 25681, 51362, 102724, 128405, 205448, 256810, 513620, 1027240]

約数ペア:

[(1, 1027240), (2, 513620), (4, 256810), (5, 205448), (8, 128405), (10, 102724), (20, 51362), (40, 25681), (61, 16840), (122, 8420), (244, 4210), (305, 3368), (421, 2440), (488, 2105), (610, 1684), (842, 1220)]