12611300

素因数分解:

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

素因数の和:225

約数の個数: 72

約数和(自身を含む): 30076200

約数和(自身を除く): 17464900

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 89, 100, 109, 130, 178, 218, 260, 325, 356, 436, 445, 545, 650, 890, 1090, 1157, 1300, 1417, 1780, 2180, 2225, 2314, 2725, 2834, 4450, 4628, 5450, 5668, 5785, 7085, 8900, 9701, 10900, 11570, 14170, 19402, 23140, 28340, 28925, 35425, 38804, 48505, 57850, 70850, 97010, 115700, 126113, 141700, 194020, 242525, 252226, 485050, 504452, 630565, 970100, 1261130, 2522260, 3152825, 6305650, 12611300]

約数ペア:

[(1, 12611300), (2, 6305650), (4, 3152825), (5, 2522260), (10, 1261130), (13, 970100), (20, 630565), (25, 504452), (26, 485050), (50, 252226), (52, 242525), (65, 194020), (89, 141700), (100, 126113), (109, 115700), (130, 97010), (178, 70850), (218, 57850), (260, 48505), (325, 38804), (356, 35425), (436, 28925), (445, 28340), (545, 23140), (650, 19402), (890, 14170), (1090, 11570), (1157, 10900), (1300, 9701), (1417, 8900), (1780, 7085), (2180, 5785), (2225, 5668), (2314, 5450), (2725, 4628), (2834, 4450)]