38493940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1321}}^1$

素因数の和:1408

約数の個数: 48

約数和(自身を含む): 85284864

約数和(自身を除く): 46790924

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 620, 940, 1321, 1457, 2642, 2914, 5284, 5828, 6605, 7285, 13210, 14570, 26420, 29140, 40951, 62087, 81902, 124174, 163804, 204755, 248348, 310435, 409510, 620870, 819020, 1241740, 1924697, 3849394, 7698788, 9623485, 19246970, 38493940]

約数ペア:

[(1, 38493940), (2, 19246970), (4, 9623485), (5, 7698788), (10, 3849394), (20, 1924697), (31, 1241740), (47, 819020), (62, 620870), (94, 409510), (124, 310435), (155, 248348), (188, 204755), (235, 163804), (310, 124174), (470, 81902), (620, 62087), (940, 40951), (1321, 29140), (1457, 26420), (2642, 14570), (2914, 13210), (5284, 7285), (5828, 6605)]