20178440120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1\times {\mathrm{49843}}^1$

素因数の和:50232

約数の個数: 64

約数和(自身を含む): 47102580000

約数和(自身を除く): 26924139880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 349, 580, 698, 1160, 1396, 1745, 2792, 3490, 6980, 10121, 13960, 20242, 40484, 49843, 50605, 80968, 99686, 101210, 199372, 202420, 249215, 398744, 404840, 498430, 996860, 1445447, 1993720, 2890894, 5781788, 7227235, 11563576, 14454470, 17395207, 28908940, 34790414, 57817880, 69580828, 86976035, 139161656, 173952070, 347904140, 504461003, 695808280, 1008922006, 2017844012, 2522305015, 4035688024, 5044610030, 10089220060, 20178440120]

約数ペア:

[(1, 20178440120), (2, 10089220060), (4, 5044610030), (5, 4035688024), (8, 2522305015), (10, 2017844012), (20, 1008922006), (29, 695808280), (40, 504461003), (58, 347904140), (116, 173952070), (145, 139161656), (232, 86976035), (290, 69580828), (349, 57817880), (580, 34790414), (698, 28908940), (1160, 17395207), (1396, 14454470), (1745, 11563576), (2792, 7227235), (3490, 5781788), (6980, 2890894), (10121, 1993720), (13960, 1445447), (20242, 996860), (40484, 498430), (49843, 404840), (50605, 398744), (80968, 249215), (99686, 202420), (101210, 199372)]