38748760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31249}}^1$

素因数の和:31291

約数の個数: 32

約数和(自身を含む): 90000000

約数和(自身を除く): 51251240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 31249, 62498, 124996, 156245, 249992, 312490, 624980, 968719, 1249960, 1937438, 3874876, 4843595, 7749752, 9687190, 19374380, 38748760]

約数ペア:

[(1, 38748760), (2, 19374380), (4, 9687190), (5, 7749752), (8, 4843595), (10, 3874876), (20, 1937438), (31, 1249960), (40, 968719), (62, 624980), (124, 312490), (155, 249992), (248, 156245), (310, 124996), (620, 62498), (1240, 31249)]