2017447720

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{4159}}^1$

素因数の和:4418

約数の個数: 64

約数和(自身を含む): 4633574400

約数和(自身を除く): 2616126680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 181, 268, 335, 362, 536, 670, 724, 905, 1340, 1448, 1810, 2680, 3620, 4159, 7240, 8318, 12127, 16636, 20795, 24254, 33272, 41590, 48508, 60635, 83180, 97016, 121270, 166360, 242540, 278653, 485080, 557306, 752779, 1114612, 1393265, 1505558, 2229224, 2786530, 3011116, 3763895, 5573060, 6022232, 7527790, 11146120, 15055580, 30111160, 50436193, 100872386, 201744772, 252180965, 403489544, 504361930, 1008723860, 2017447720]

約数ペア:

[(1, 2017447720), (2, 1008723860), (4, 504361930), (5, 403489544), (8, 252180965), (10, 201744772), (20, 100872386), (40, 50436193), (67, 30111160), (134, 15055580), (181, 11146120), (268, 7527790), (335, 6022232), (362, 5573060), (536, 3763895), (670, 3011116), (724, 2786530), (905, 2229224), (1340, 1505558), (1448, 1393265), (1810, 1114612), (2680, 752779), (3620, 557306), (4159, 485080), (7240, 278653), (8318, 242540), (12127, 166360), (16636, 121270), (20795, 97016), (24254, 83180), (33272, 60635), (41590, 48508)]