1261130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 2494800

約数和(自身を除く): 1233670

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 109, 130, 178, 218, 445, 545, 890, 1090, 1157, 1417, 2314, 2834, 5785, 7085, 9701, 11570, 14170, 19402, 48505, 97010, 126113, 252226, 630565, 1261130]

約数ペア:

[(1, 1261130), (2, 630565), (5, 252226), (10, 126113), (13, 97010), (26, 48505), (65, 19402), (89, 14170), (109, 11570), (130, 9701), (178, 7085), (218, 5785), (445, 2834), (545, 2314), (890, 1417), (1090, 1157)]