31370740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 68612544

約数和(自身を除く): 37241804

約数列:

[1, 2, 4, 5, 10, 20, 41, 67, 82, 134, 164, 205, 268, 335, 410, 571, 670, 820, 1142, 1340, 2284, 2747, 2855, 5494, 5710, 10988, 11420, 13735, 23411, 27470, 38257, 46822, 54940, 76514, 93644, 117055, 153028, 191285, 234110, 382570, 468220, 765140, 1568537, 3137074, 6274148, 7842685, 15685370, 31370740]

約数ペア:

[(1, 31370740), (2, 15685370), (4, 7842685), (5, 6274148), (10, 3137074), (20, 1568537), (41, 765140), (67, 468220), (82, 382570), (134, 234110), (164, 191285), (205, 153028), (268, 117055), (335, 93644), (410, 76514), (571, 54940), (670, 46822), (820, 38257), (1142, 27470), (1340, 23411), (2284, 13735), (2747, 11420), (2855, 10988), (5494, 5710)]