40509080

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 94884480

約数和(自身を除く): 54375400

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 101, 148, 185, 202, 271, 296, 370, 404, 505, 542, 740, 808, 1010, 1084, 1355, 1480, 2020, 2168, 2710, 3737, 4040, 5420, 7474, 10027, 10840, 14948, 18685, 20054, 27371, 29896, 37370, 40108, 50135, 54742, 74740, 80216, 100270, 109484, 136855, 149480, 200540, 218968, 273710, 401080, 547420, 1012727, 1094840, 2025454, 4050908, 5063635, 8101816, 10127270, 20254540, 40509080]

約数ペア:

[(1, 40509080), (2, 20254540), (4, 10127270), (5, 8101816), (8, 5063635), (10, 4050908), (20, 2025454), (37, 1094840), (40, 1012727), (74, 547420), (101, 401080), (148, 273710), (185, 218968), (202, 200540), (271, 149480), (296, 136855), (370, 109484), (404, 100270), (505, 80216), (542, 74740), (740, 54742), (808, 50135), (1010, 40108), (1084, 37370), (1355, 29896), (1480, 27371), (2020, 20054), (2168, 18685), (2710, 14948), (3737, 10840), (4040, 10027), (5420, 7474)]