61312840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{829}}^1$

素因数の和:926

約数の個数: 48

約数和(自身を含む): 141407100

約数和(自身を除く): 80094260

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 829, 860, 1658, 1720, 1849, 3316, 3698, 4145, 6632, 7396, 8290, 9245, 14792, 16580, 18490, 33160, 35647, 36980, 71294, 73960, 142588, 178235, 285176, 356470, 712940, 1425880, 1532821, 3065642, 6131284, 7664105, 12262568, 15328210, 30656420, 61312840]

約数ペア:

[(1, 61312840), (2, 30656420), (4, 15328210), (5, 12262568), (8, 7664105), (10, 6131284), (20, 3065642), (40, 1532821), (43, 1425880), (86, 712940), (172, 356470), (215, 285176), (344, 178235), (430, 142588), (829, 73960), (860, 71294), (1658, 36980), (1720, 35647), (1849, 33160), (3316, 18490), (3698, 16580), (4145, 14792), (6632, 9245), (7396, 8290)]