65788160

素因数分解:

$2^8\times 5^1\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 159432000

約数和(自身を除く): 93643840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 160, 206, 256, 320, 412, 499, 515, 640, 824, 998, 1030, 1280, 1648, 1996, 2060, 2495, 3296, 3992, 4120, 4990, 6592, 7984, 8240, 9980, 13184, 15968, 16480, 19960, 26368, 31936, 32960, 39920, 51397, 63872, 65920, 79840, 102794, 127744, 131840, 159680, 205588, 256985, 319360, 411176, 513970, 638720, 822352, 1027940, 1644704, 2055880, 3289408, 4111760, 6578816, 8223520, 13157632, 16447040, 32894080, 65788160]

約数ペア:

[(1, 65788160), (2, 32894080), (4, 16447040), (5, 13157632), (8, 8223520), (10, 6578816), (16, 4111760), (20, 3289408), (32, 2055880), (40, 1644704), (64, 1027940), (80, 822352), (103, 638720), (128, 513970), (160, 411176), (206, 319360), (256, 256985), (320, 205588), (412, 159680), (499, 131840), (515, 127744), (640, 102794), (824, 79840), (998, 65920), (1030, 63872), (1280, 51397), (1648, 39920), (1996, 32960), (2060, 31936), (2495, 26368), (3296, 19960), (3992, 16480), (4120, 15968), (4990, 13184), (6592, 9980), (7984, 8240)]