90705920

素因数分解:

$2^{12}\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:175

約数の個数: 104

約数和(自身を含む): 224892096

約数和(自身を除く): 134186176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 103, 128, 160, 172, 206, 215, 256, 320, 344, 412, 430, 512, 515, 640, 688, 824, 860, 1024, 1030, 1280, 1376, 1648, 1720, 2048, 2060, 2560, 2752, 3296, 3440, 4096, 4120, 4429, 5120, 5504, 6592, 6880, 8240, 8858, 10240, 11008, 13184, 13760, 16480, 17716, 20480, 22016, 22145, 26368, 27520, 32960, 35432, 44032, 44290, 52736, 55040, 65920, 70864, 88064, 88580, 105472, 110080, 131840, 141728, 176128, 177160, 210944, 220160, 263680, 283456, 354320, 421888, 440320, 527360, 566912, 708640, 880640, 1054720, 1133824, 1417280, 2109440, 2267648, 2834560, 4535296, 5669120, 9070592, 11338240, 18141184, 22676480, 45352960, 90705920]

約数ペア:

[(1, 90705920), (2, 45352960), (4, 22676480), (5, 18141184), (8, 11338240), (10, 9070592), (16, 5669120), (20, 4535296), (32, 2834560), (40, 2267648), (43, 2109440), (64, 1417280), (80, 1133824), (86, 1054720), (103, 880640), (128, 708640), (160, 566912), (172, 527360), (206, 440320), (215, 421888), (256, 354320), (320, 283456), (344, 263680), (412, 220160), (430, 210944), (512, 177160), (515, 176128), (640, 141728), (688, 131840), (824, 110080), (860, 105472), (1024, 88580), (1030, 88064), (1280, 70864), (1376, 65920), (1648, 55040), (1720, 52736), (2048, 44290), (2060, 44032), (2560, 35432), (2752, 32960), (3296, 27520), (3440, 26368), (4096, 22145), (4120, 22016), (4429, 20480), (5120, 17716), (5504, 16480), (6592, 13760), (6880, 13184), (8240, 11008), (8858, 10240)]