40788020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 107213568

約数和(自身を除く): 66425548

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 73, 91, 130, 140, 146, 182, 260, 292, 307, 364, 365, 455, 511, 614, 730, 910, 949, 1022, 1228, 1460, 1535, 1820, 1898, 2044, 2149, 2555, 3070, 3796, 3991, 4298, 4745, 5110, 6140, 6643, 7982, 8596, 9490, 10220, 10745, 13286, 15964, 18980, 19955, 21490, 22411, 26572, 27937, 33215, 39910, 42980, 44822, 55874, 66430, 79820, 89644, 111748, 112055, 132860, 139685, 156877, 224110, 279370, 291343, 313754, 448220, 558740, 582686, 627508, 784385, 1165372, 1456715, 1568770, 2039401, 2913430, 3137540, 4078802, 5826860, 8157604, 10197005, 20394010, 40788020]

約数ペア:

[(1, 40788020), (2, 20394010), (4, 10197005), (5, 8157604), (7, 5826860), (10, 4078802), (13, 3137540), (14, 2913430), (20, 2039401), (26, 1568770), (28, 1456715), (35, 1165372), (52, 784385), (65, 627508), (70, 582686), (73, 558740), (91, 448220), (130, 313754), (140, 291343), (146, 279370), (182, 224110), (260, 156877), (292, 139685), (307, 132860), (364, 112055), (365, 111748), (455, 89644), (511, 79820), (614, 66430), (730, 55874), (910, 44822), (949, 42980), (1022, 39910), (1228, 33215), (1460, 27937), (1535, 26572), (1820, 22411), (1898, 21490), (2044, 19955), (2149, 18980), (2555, 15964), (3070, 13286), (3796, 10745), (3991, 10220), (4298, 9490), (4745, 8596), (5110, 7982), (6140, 6643)]