61590440

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4951}}^1$

素因数の和:5273

約数の個数: 32

約数和(自身を含む): 139052160

約数和(自身を除く): 77461720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 4951, 6220, 9902, 12440, 19804, 24755, 39608, 49510, 99020, 198040, 1539761, 3079522, 6159044, 7698805, 12318088, 15397610, 30795220, 61590440]

約数ペア:

[(1, 61590440), (2, 30795220), (4, 15397610), (5, 12318088), (8, 7698805), (10, 6159044), (20, 3079522), (40, 1539761), (311, 198040), (622, 99020), (1244, 49510), (1555, 39608), (2488, 24755), (3110, 19804), (4951, 12440), (6220, 9902)]