5386280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^2$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 12977820

約数和(自身を除く): 7591540

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 340, 356, 445, 680, 712, 890, 1513, 1780, 3026, 3560, 6052, 7565, 7921, 12104, 15130, 15842, 30260, 31684, 39605, 60520, 63368, 79210, 134657, 158420, 269314, 316840, 538628, 673285, 1077256, 1346570, 2693140, 5386280]

約数ペア:

[(1, 5386280), (2, 2693140), (4, 1346570), (5, 1077256), (8, 673285), (10, 538628), (17, 316840), (20, 269314), (34, 158420), (40, 134657), (68, 79210), (85, 63368), (89, 60520), (136, 39605), (170, 31684), (178, 30260), (340, 15842), (356, 15130), (445, 12104), (680, 7921), (712, 7565), (890, 6052), (1513, 3560), (1780, 3026)]