25222600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 64449000

約数和(自身を除く): 39226400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 89, 100, 104, 109, 130, 178, 200, 218, 260, 325, 356, 436, 445, 520, 545, 650, 712, 872, 890, 1090, 1157, 1300, 1417, 1780, 2180, 2225, 2314, 2600, 2725, 2834, 3560, 4360, 4450, 4628, 5450, 5668, 5785, 7085, 8900, 9256, 9701, 10900, 11336, 11570, 14170, 17800, 19402, 21800, 23140, 28340, 28925, 35425, 38804, 46280, 48505, 56680, 57850, 70850, 77608, 97010, 115700, 126113, 141700, 194020, 231400, 242525, 252226, 283400, 388040, 485050, 504452, 630565, 970100, 1008904, 1261130, 1940200, 2522260, 3152825, 5044520, 6305650, 12611300, 25222600]

約数ペア:

[(1, 25222600), (2, 12611300), (4, 6305650), (5, 5044520), (8, 3152825), (10, 2522260), (13, 1940200), (20, 1261130), (25, 1008904), (26, 970100), (40, 630565), (50, 504452), (52, 485050), (65, 388040), (89, 283400), (100, 252226), (104, 242525), (109, 231400), (130, 194020), (178, 141700), (200, 126113), (218, 115700), (260, 97010), (325, 77608), (356, 70850), (436, 57850), (445, 56680), (520, 48505), (545, 46280), (650, 38804), (712, 35425), (872, 28925), (890, 28340), (1090, 23140), (1157, 21800), (1300, 19402), (1417, 17800), (1780, 14170), (2180, 11570), (2225, 11336), (2314, 10900), (2600, 9701), (2725, 9256), (2834, 8900), (3560, 7085), (4360, 5785), (4450, 5668), (4628, 5450)]