90778400

素因数分解:

$2^5\times 5^2\times {\mathrm{53}}^1\times {\mathrm{2141}}^1$

素因数の和:2214

約数の個数: 72

約数和(自身を含む): 225899604

約数和(自身を除く): 135121204

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 80, 100, 106, 160, 200, 212, 265, 400, 424, 530, 800, 848, 1060, 1325, 1696, 2120, 2141, 2650, 4240, 4282, 5300, 8480, 8564, 10600, 10705, 17128, 21200, 21410, 34256, 42400, 42820, 53525, 68512, 85640, 107050, 113473, 171280, 214100, 226946, 342560, 428200, 453892, 567365, 856400, 907784, 1134730, 1712800, 1815568, 2269460, 2836825, 3631136, 4538920, 5673650, 9077840, 11347300, 18155680, 22694600, 45389200, 90778400]

約数ペア:

[(1, 90778400), (2, 45389200), (4, 22694600), (5, 18155680), (8, 11347300), (10, 9077840), (16, 5673650), (20, 4538920), (25, 3631136), (32, 2836825), (40, 2269460), (50, 1815568), (53, 1712800), (80, 1134730), (100, 907784), (106, 856400), (160, 567365), (200, 453892), (212, 428200), (265, 342560), (400, 226946), (424, 214100), (530, 171280), (800, 113473), (848, 107050), (1060, 85640), (1325, 68512), (1696, 53525), (2120, 42820), (2141, 42400), (2650, 34256), (4240, 21410), (4282, 21200), (5300, 17128), (8480, 10705), (8564, 10600)]