38868080

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 94011840

約数和(自身を除く): 55143760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 89, 103, 106, 178, 206, 212, 265, 356, 412, 424, 445, 515, 530, 712, 824, 848, 890, 1030, 1060, 1424, 1648, 1780, 2060, 2120, 3560, 4120, 4240, 4717, 5459, 7120, 8240, 9167, 9434, 10918, 18334, 18868, 21836, 23585, 27295, 36668, 37736, 43672, 45835, 47170, 54590, 73336, 75472, 87344, 91670, 94340, 109180, 146672, 183340, 188680, 218360, 366680, 377360, 436720, 485851, 733360, 971702, 1943404, 2429255, 3886808, 4858510, 7773616, 9717020, 19434040, 38868080]

約数ペア:

[(1, 38868080), (2, 19434040), (4, 9717020), (5, 7773616), (8, 4858510), (10, 3886808), (16, 2429255), (20, 1943404), (40, 971702), (53, 733360), (80, 485851), (89, 436720), (103, 377360), (106, 366680), (178, 218360), (206, 188680), (212, 183340), (265, 146672), (356, 109180), (412, 94340), (424, 91670), (445, 87344), (515, 75472), (530, 73336), (712, 54590), (824, 47170), (848, 45835), (890, 43672), (1030, 37736), (1060, 36668), (1424, 27295), (1648, 23585), (1780, 21836), (2060, 18868), (2120, 18334), (3560, 10918), (4120, 9434), (4240, 9167), (4717, 8240), (5459, 7120)]