23971880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 56609280

約数和(自身を除く): 32637400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 47, 82, 94, 164, 188, 205, 235, 311, 328, 376, 410, 470, 622, 820, 940, 1244, 1555, 1640, 1880, 1927, 2488, 3110, 3854, 6220, 7708, 9635, 12440, 12751, 14617, 15416, 19270, 25502, 29234, 38540, 51004, 58468, 63755, 73085, 77080, 102008, 116936, 127510, 146170, 255020, 292340, 510040, 584680, 599297, 1198594, 2397188, 2996485, 4794376, 5992970, 11985940, 23971880]

約数ペア:

[(1, 23971880), (2, 11985940), (4, 5992970), (5, 4794376), (8, 2996485), (10, 2397188), (20, 1198594), (40, 599297), (41, 584680), (47, 510040), (82, 292340), (94, 255020), (164, 146170), (188, 127510), (205, 116936), (235, 102008), (311, 77080), (328, 73085), (376, 63755), (410, 58468), (470, 51004), (622, 38540), (820, 29234), (940, 25502), (1244, 19270), (1555, 15416), (1640, 14617), (1880, 12751), (1927, 12440), (2488, 9635), (3110, 7708), (3854, 6220)]