85678640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{863}}^1$

素因数の和:966

約数の個数: 80

約数和(自身を含む): 214057728

約数和(自身を除く): 128379088

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 73, 80, 85, 136, 146, 170, 272, 292, 340, 365, 584, 680, 730, 863, 1168, 1241, 1360, 1460, 1726, 2482, 2920, 3452, 4315, 4964, 5840, 6205, 6904, 8630, 9928, 12410, 13808, 14671, 17260, 19856, 24820, 29342, 34520, 49640, 58684, 62999, 69040, 73355, 99280, 117368, 125998, 146710, 234736, 251996, 293420, 314995, 503992, 586840, 629990, 1007984, 1070983, 1173680, 1259980, 2141966, 2519960, 4283932, 5039920, 5354915, 8567864, 10709830, 17135728, 21419660, 42839320, 85678640]

約数ペア:

[(1, 85678640), (2, 42839320), (4, 21419660), (5, 17135728), (8, 10709830), (10, 8567864), (16, 5354915), (17, 5039920), (20, 4283932), (34, 2519960), (40, 2141966), (68, 1259980), (73, 1173680), (80, 1070983), (85, 1007984), (136, 629990), (146, 586840), (170, 503992), (272, 314995), (292, 293420), (340, 251996), (365, 234736), (584, 146710), (680, 125998), (730, 117368), (863, 99280), (1168, 73355), (1241, 69040), (1360, 62999), (1460, 58684), (1726, 49640), (2482, 34520), (2920, 29342), (3452, 24820), (4315, 19856), (4964, 17260), (5840, 14671), (6205, 13808), (6904, 12410), (8630, 9928)]