13465700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^2$

素因数の和:209

約数の個数: 54

約数和(自身を含む): 31290966

約数和(自身を除く): 17825266

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 89, 100, 170, 178, 340, 356, 425, 445, 850, 890, 1513, 1700, 1780, 2225, 3026, 4450, 6052, 7565, 7921, 8900, 15130, 15842, 30260, 31684, 37825, 39605, 75650, 79210, 134657, 151300, 158420, 198025, 269314, 396050, 538628, 673285, 792100, 1346570, 2693140, 3366425, 6732850, 13465700]

約数ペア:

[(1, 13465700), (2, 6732850), (4, 3366425), (5, 2693140), (10, 1346570), (17, 792100), (20, 673285), (25, 538628), (34, 396050), (50, 269314), (68, 198025), (85, 158420), (89, 151300), (100, 134657), (170, 79210), (178, 75650), (340, 39605), (356, 37825), (425, 31684), (445, 30260), (850, 15842), (890, 15130), (1513, 8900), (1700, 7921), (1780, 7565), (2225, 6052), (3026, 4450)]