86494640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{63599}}^1$

素因数の和:63629

約数の個数: 40

約数和(自身を含む): 212932800

約数和(自身を除く): 126438160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 63599, 127198, 254396, 317995, 508792, 635990, 1017584, 1081183, 1271980, 2162366, 2543960, 4324732, 5087920, 5405915, 8649464, 10811830, 17298928, 21623660, 43247320, 86494640]

約数ペア:

[(1, 86494640), (2, 43247320), (4, 21623660), (5, 17298928), (8, 10811830), (10, 8649464), (16, 5405915), (17, 5087920), (20, 4324732), (34, 2543960), (40, 2162366), (68, 1271980), (80, 1081183), (85, 1017584), (136, 635990), (170, 508792), (272, 317995), (340, 254396), (680, 127198), (1360, 63599)]