20159598440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1949}}^1\times {\mathrm{11243}}^1$

素因数の和:13226

約数の個数: 64

約数和(自身を含む): 47359728000

約数和(自身を除く): 27200129560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 1949, 3898, 7796, 9745, 11243, 15592, 19490, 22486, 38980, 44827, 44972, 56215, 77960, 89654, 89944, 112430, 179308, 224135, 224860, 258589, 358616, 448270, 449720, 517178, 896540, 1034356, 1292945, 1793080, 2068712, 2585890, 5171780, 10343560, 21912607, 43825214, 87650428, 109563035, 175300856, 219126070, 438252140, 503989961, 876504280, 1007979922, 2015959844, 2519949805, 4031919688, 5039899610, 10079799220, 20159598440]

約数ペア:

[(1, 20159598440), (2, 10079799220), (4, 5039899610), (5, 4031919688), (8, 2519949805), (10, 2015959844), (20, 1007979922), (23, 876504280), (40, 503989961), (46, 438252140), (92, 219126070), (115, 175300856), (184, 109563035), (230, 87650428), (460, 43825214), (920, 21912607), (1949, 10343560), (3898, 5171780), (7796, 2585890), (9745, 2068712), (11243, 1793080), (15592, 1292945), (19490, 1034356), (22486, 896540), (38980, 517178), (44827, 449720), (44972, 448270), (56215, 358616), (77960, 258589), (89654, 224860), (89944, 224135), (112430, 179308)]