2522260

素因数分解:

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

素因数の和:220

約数の個数: 48

約数和(自身を含む): 5821200

約数和(自身を除く): 3298940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 109, 130, 178, 218, 260, 356, 436, 445, 545, 890, 1090, 1157, 1417, 1780, 2180, 2314, 2834, 4628, 5668, 5785, 7085, 9701, 11570, 14170, 19402, 23140, 28340, 38804, 48505, 97010, 126113, 194020, 252226, 504452, 630565, 1261130, 2522260]

約数ペア:

[(1, 2522260), (2, 1261130), (4, 630565), (5, 504452), (10, 252226), (13, 194020), (20, 126113), (26, 97010), (52, 48505), (65, 38804), (89, 28340), (109, 23140), (130, 19402), (178, 14170), (218, 11570), (260, 9701), (356, 7085), (436, 5785), (445, 5668), (545, 4628), (890, 2834), (1090, 2314), (1157, 2180), (1417, 1780)]