40948256

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:417

約数の個数: 48

約数和(自身を含む): 83280960

約数和(自身を除く): 42332704

約数列:

[1, 2, 4, 8, 16, 32, 67, 71, 134, 142, 268, 269, 284, 536, 538, 568, 1072, 1076, 1136, 2144, 2152, 2272, 4304, 4757, 8608, 9514, 18023, 19028, 19099, 36046, 38056, 38198, 72092, 76112, 76396, 144184, 152224, 152792, 288368, 305584, 576736, 611168, 1279633, 2559266, 5118532, 10237064, 20474128, 40948256]

約数ペア:

[(1, 40948256), (2, 20474128), (4, 10237064), (8, 5118532), (16, 2559266), (32, 1279633), (67, 611168), (71, 576736), (134, 305584), (142, 288368), (268, 152792), (269, 152224), (284, 144184), (536, 76396), (538, 76112), (568, 72092), (1072, 38198), (1076, 38056), (1136, 36046), (2144, 19099), (2152, 19028), (2272, 18023), (4304, 9514), (4757, 8608)]