38721160

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 89812800

約数和(自身を除く): 51091640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 107, 109, 166, 214, 218, 332, 415, 428, 436, 535, 545, 664, 830, 856, 872, 1070, 1090, 1660, 2140, 2180, 3320, 4280, 4360, 8881, 9047, 11663, 17762, 18094, 23326, 35524, 36188, 44405, 45235, 46652, 58315, 71048, 72376, 88810, 90470, 93304, 116630, 177620, 180940, 233260, 355240, 361880, 466520, 968029, 1936058, 3872116, 4840145, 7744232, 9680290, 19360580, 38721160]

約数ペア:

[(1, 38721160), (2, 19360580), (4, 9680290), (5, 7744232), (8, 4840145), (10, 3872116), (20, 1936058), (40, 968029), (83, 466520), (107, 361880), (109, 355240), (166, 233260), (214, 180940), (218, 177620), (332, 116630), (415, 93304), (428, 90470), (436, 88810), (535, 72376), (545, 71048), (664, 58315), (830, 46652), (856, 45235), (872, 44405), (1070, 36188), (1090, 35524), (1660, 23326), (2140, 18094), (2180, 17762), (3320, 11663), (4280, 9047), (4360, 8881)]