8051320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 19261440

約数和(自身を除く): 11210120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 151, 155, 172, 215, 248, 302, 310, 344, 430, 604, 620, 755, 860, 1208, 1240, 1333, 1510, 1720, 2666, 3020, 4681, 5332, 6040, 6493, 6665, 9362, 10664, 12986, 13330, 18724, 23405, 25972, 26660, 32465, 37448, 46810, 51944, 53320, 64930, 93620, 129860, 187240, 201283, 259720, 402566, 805132, 1006415, 1610264, 2012830, 4025660, 8051320]

約数ペア:

[(1, 8051320), (2, 4025660), (4, 2012830), (5, 1610264), (8, 1006415), (10, 805132), (20, 402566), (31, 259720), (40, 201283), (43, 187240), (62, 129860), (86, 93620), (124, 64930), (151, 53320), (155, 51944), (172, 46810), (215, 37448), (248, 32465), (302, 26660), (310, 25972), (344, 23405), (430, 18724), (604, 13330), (620, 12986), (755, 10664), (860, 9362), (1208, 6665), (1240, 6493), (1333, 6040), (1510, 5332), (1720, 4681), (2666, 3020)]