1520730040

素因数分解:

$2^3\times 5^1\times {\mathrm{2731}}^1\times {\mathrm{13921}}^1$

素因数の和:16663

約数の個数: 32

約数和(自身を含む): 3423141360

約数和(自身を除く): 1902411320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2731, 5462, 10924, 13655, 13921, 21848, 27310, 27842, 54620, 55684, 69605, 109240, 111368, 139210, 278420, 556840, 38018251, 76036502, 152073004, 190091255, 304146008, 380182510, 760365020, 1520730040]

約数ペア:

[(1, 1520730040), (2, 760365020), (4, 380182510), (5, 304146008), (8, 190091255), (10, 152073004), (20, 76036502), (40, 38018251), (2731, 556840), (5462, 278420), (10924, 139210), (13655, 111368), (13921, 109240), (21848, 69605), (27310, 55684), (27842, 54620)]