38151320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 90145440

約数和(自身を除く): 51994120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 541, 820, 860, 1082, 1640, 1720, 1763, 2164, 2705, 3526, 4328, 5410, 7052, 8815, 10820, 14104, 17630, 21640, 22181, 23263, 35260, 44362, 46526, 70520, 88724, 93052, 110905, 116315, 177448, 186104, 221810, 232630, 443620, 465260, 887240, 930520, 953783, 1907566, 3815132, 4768915, 7630264, 9537830, 19075660, 38151320]

約数ペア:

[(1, 38151320), (2, 19075660), (4, 9537830), (5, 7630264), (8, 4768915), (10, 3815132), (20, 1907566), (40, 953783), (41, 930520), (43, 887240), (82, 465260), (86, 443620), (164, 232630), (172, 221810), (205, 186104), (215, 177448), (328, 116315), (344, 110905), (410, 93052), (430, 88724), (541, 70520), (820, 46526), (860, 44362), (1082, 35260), (1640, 23263), (1720, 22181), (1763, 21640), (2164, 17630), (2705, 14104), (3526, 10820), (4328, 8815), (5410, 7052)]