38790640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{613}}^1$

素因数の和:746

約数の個数: 80

約数和(自身を含む): 104154048

約数和(自身を除く): 65363408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 113, 140, 226, 280, 452, 560, 565, 613, 791, 904, 1130, 1226, 1582, 1808, 2260, 2452, 3065, 3164, 3955, 4291, 4520, 4904, 6130, 6328, 7910, 8582, 9040, 9808, 12260, 12656, 15820, 17164, 21455, 24520, 31640, 34328, 42910, 49040, 63280, 68656, 69269, 85820, 138538, 171640, 277076, 343280, 346345, 484883, 554152, 692690, 969766, 1108304, 1385380, 1939532, 2424415, 2770760, 3879064, 4848830, 5541520, 7758128, 9697660, 19395320, 38790640]

約数ペア:

[(1, 38790640), (2, 19395320), (4, 9697660), (5, 7758128), (7, 5541520), (8, 4848830), (10, 3879064), (14, 2770760), (16, 2424415), (20, 1939532), (28, 1385380), (35, 1108304), (40, 969766), (56, 692690), (70, 554152), (80, 484883), (112, 346345), (113, 343280), (140, 277076), (226, 171640), (280, 138538), (452, 85820), (560, 69269), (565, 68656), (613, 63280), (791, 49040), (904, 42910), (1130, 34328), (1226, 31640), (1582, 24520), (1808, 21455), (2260, 17164), (2452, 15820), (3065, 12656), (3164, 12260), (3955, 9808), (4291, 9040), (4520, 8582), (4904, 7910), (6130, 6328)]