39680744

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^2$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 79896960

約数和(自身を除く): 40216216

約数列:

[1, 2, 4, 8, 31, 43, 61, 62, 86, 122, 124, 172, 244, 248, 344, 488, 1333, 1891, 2623, 2666, 3721, 3782, 5246, 5332, 7442, 7564, 10492, 10664, 14884, 15128, 20984, 29768, 81313, 115351, 160003, 162626, 230702, 320006, 325252, 461404, 640012, 650504, 922808, 1280024, 4960093, 9920186, 19840372, 39680744]

約数ペア:

[(1, 39680744), (2, 19840372), (4, 9920186), (8, 4960093), (31, 1280024), (43, 922808), (61, 650504), (62, 640012), (86, 461404), (122, 325252), (124, 320006), (172, 230702), (244, 162626), (248, 160003), (344, 115351), (488, 81313), (1333, 29768), (1891, 20984), (2623, 15128), (2666, 14884), (3721, 10664), (3782, 10492), (5246, 7564), (5332, 7442)]