29986280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{20261}}^1$

素因数の和:20309

約数の個数: 32

約数和(自身を含む): 69296040

約数和(自身を除く): 39309760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 20261, 40522, 81044, 101305, 162088, 202610, 405220, 749657, 810440, 1499314, 2998628, 3748285, 5997256, 7496570, 14993140, 29986280]

約数ペア:

[(1, 29986280), (2, 14993140), (4, 7496570), (5, 5997256), (8, 3748285), (10, 2998628), (20, 1499314), (37, 810440), (40, 749657), (74, 405220), (148, 202610), (185, 162088), (296, 101305), (370, 81044), (740, 40522), (1480, 20261)]