1555248880

素因数分解:

$2^4\times 5^1\times {\mathrm{2531}}^1\times {\mathrm{7681}}^1$

素因数の和:10225

約数の個数: 40

約数和(自身を含む): 3617853264

約数和(自身を除く): 2062604384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2531, 5062, 7681, 10124, 12655, 15362, 20248, 25310, 30724, 38405, 40496, 50620, 61448, 76810, 101240, 122896, 153620, 202480, 307240, 614480, 19440611, 38881222, 77762444, 97203055, 155524888, 194406110, 311049776, 388812220, 777624440, 1555248880]

約数ペア:

[(1, 1555248880), (2, 777624440), (4, 388812220), (5, 311049776), (8, 194406110), (10, 155524888), (16, 97203055), (20, 77762444), (40, 38881222), (80, 19440611), (2531, 614480), (5062, 307240), (7681, 202480), (10124, 153620), (12655, 122896), (15362, 101240), (20248, 76810), (25310, 61448), (30724, 50620), (38405, 40496)]