8146040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{619}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 21427200

約数和(自身を除く): 13281160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 619, 658, 940, 1238, 1316, 1645, 1880, 2476, 2632, 3095, 3290, 4333, 4952, 6190, 6580, 8666, 12380, 13160, 17332, 21665, 24760, 29093, 34664, 43330, 58186, 86660, 116372, 145465, 173320, 203651, 232744, 290930, 407302, 581860, 814604, 1018255, 1163720, 1629208, 2036510, 4073020, 8146040]

約数ペア:

[(1, 8146040), (2, 4073020), (4, 2036510), (5, 1629208), (7, 1163720), (8, 1018255), (10, 814604), (14, 581860), (20, 407302), (28, 290930), (35, 232744), (40, 203651), (47, 173320), (56, 145465), (70, 116372), (94, 86660), (140, 58186), (188, 43330), (235, 34664), (280, 29093), (329, 24760), (376, 21665), (470, 17332), (619, 13160), (658, 12380), (940, 8666), (1238, 6580), (1316, 6190), (1645, 4952), (1880, 4333), (2476, 3290), (2632, 3095)]