80498380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{683}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 173746944

約数和(自身を除く): 93248564

約数列:

[1, 2, 4, 5, 10, 20, 71, 83, 142, 166, 284, 332, 355, 415, 683, 710, 830, 1366, 1420, 1660, 2732, 3415, 5893, 6830, 11786, 13660, 23572, 29465, 48493, 56689, 58930, 96986, 113378, 117860, 193972, 226756, 242465, 283445, 484930, 566890, 969860, 1133780, 4024919, 8049838, 16099676, 20124595, 40249190, 80498380]

約数ペア:

[(1, 80498380), (2, 40249190), (4, 20124595), (5, 16099676), (10, 8049838), (20, 4024919), (71, 1133780), (83, 969860), (142, 566890), (166, 484930), (284, 283445), (332, 242465), (355, 226756), (415, 193972), (683, 117860), (710, 113378), (830, 96986), (1366, 58930), (1420, 56689), (1660, 48493), (2732, 29465), (3415, 23572), (5893, 13660), (6830, 11786)]