905087240

素因数分解:

$2^3\times 5^1\times {\mathrm{3137}}^1\times {\mathrm{7213}}^1$

素因数の和:10361

約数の個数: 32

約数和(自身を含む): 2037377880

約数和(自身を除く): 1132290640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3137, 6274, 7213, 12548, 14426, 15685, 25096, 28852, 31370, 36065, 57704, 62740, 72130, 125480, 144260, 288520, 22627181, 45254362, 90508724, 113135905, 181017448, 226271810, 452543620, 905087240]

約数ペア:

[(1, 905087240), (2, 452543620), (4, 226271810), (5, 181017448), (8, 113135905), (10, 90508724), (20, 45254362), (40, 22627181), (3137, 288520), (6274, 144260), (7213, 125480), (12548, 72130), (14426, 62740), (15685, 57704), (25096, 36065), (28852, 31370)]