42126320

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{4831}}^1$

素因数の和:4953

約数の個数: 40

約数和(自身を含む): 98862720

約数和(自身を除く): 56736400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 4831, 8720, 9662, 19324, 24155, 38648, 48310, 77296, 96620, 193240, 386480, 526579, 1053158, 2106316, 2632895, 4212632, 5265790, 8425264, 10531580, 21063160, 42126320]

約数ペア:

[(1, 42126320), (2, 21063160), (4, 10531580), (5, 8425264), (8, 5265790), (10, 4212632), (16, 2632895), (20, 2106316), (40, 1053158), (80, 526579), (109, 386480), (218, 193240), (436, 96620), (545, 77296), (872, 48310), (1090, 38648), (1744, 24155), (2180, 19324), (4360, 9662), (4831, 8720)]