2085309080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71317}}^1$

素因数の和:71388

約数の個数: 64

約数和(自身を含む): 5083547040

約数和(自身を除く): 2998237960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 1462, 1720, 2924, 3655, 5848, 7310, 14620, 29240, 71317, 142634, 285268, 356585, 570536, 713170, 1212389, 1426340, 2424778, 2852680, 3066631, 4849556, 6061945, 6133262, 9699112, 12123890, 12266524, 15333155, 24247780, 24533048, 30666310, 48495560, 52132727, 61332620, 104265454, 122665240, 208530908, 260663635, 417061816, 521327270, 1042654540, 2085309080]

約数ペア:

[(1, 2085309080), (2, 1042654540), (4, 521327270), (5, 417061816), (8, 260663635), (10, 208530908), (17, 122665240), (20, 104265454), (34, 61332620), (40, 52132727), (43, 48495560), (68, 30666310), (85, 24533048), (86, 24247780), (136, 15333155), (170, 12266524), (172, 12123890), (215, 9699112), (340, 6133262), (344, 6061945), (430, 4849556), (680, 3066631), (731, 2852680), (860, 2424778), (1462, 1426340), (1720, 1212389), (2924, 713170), (3655, 570536), (5848, 356585), (7310, 285268), (14620, 142634), (29240, 71317)]