82517960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{42101}}^1$

素因数の和:42126

約数の個数: 48

約数和(自身を含む): 215983260

約数和(自身を除く): 133465300

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 42101, 84202, 168404, 210505, 294707, 336808, 421010, 589414, 842020, 1178828, 1473535, 1684040, 2062949, 2357656, 2947070, 4125898, 5894140, 8251796, 10314745, 11788280, 16503592, 20629490, 41258980, 82517960]

約数ペア:

[(1, 82517960), (2, 41258980), (4, 20629490), (5, 16503592), (7, 11788280), (8, 10314745), (10, 8251796), (14, 5894140), (20, 4125898), (28, 2947070), (35, 2357656), (40, 2062949), (49, 1684040), (56, 1473535), (70, 1178828), (98, 842020), (140, 589414), (196, 421010), (245, 336808), (280, 294707), (392, 210505), (490, 168404), (980, 84202), (1960, 42101)]