2018662480

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1\times {\mathrm{439}}^1$

素因数の和:932

約数の個数: 80

約数和(自身を含む): 4743446400

約数和(自身を除く): 2724783920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 251, 439, 458, 502, 878, 916, 1004, 1145, 1255, 1756, 1832, 2008, 2195, 2290, 2510, 3512, 3664, 4016, 4390, 4580, 5020, 7024, 8780, 9160, 10040, 17560, 18320, 20080, 35120, 57479, 100531, 110189, 114958, 201062, 220378, 229916, 287395, 402124, 440756, 459832, 502655, 550945, 574790, 804248, 881512, 919664, 1005310, 1101890, 1149580, 1608496, 1763024, 2010620, 2203780, 2299160, 4021240, 4407560, 4598320, 8042480, 8815120, 25233281, 50466562, 100933124, 126166405, 201866248, 252332810, 403732496, 504665620, 1009331240, 2018662480]

約数ペア:

[(1, 2018662480), (2, 1009331240), (4, 504665620), (5, 403732496), (8, 252332810), (10, 201866248), (16, 126166405), (20, 100933124), (40, 50466562), (80, 25233281), (229, 8815120), (251, 8042480), (439, 4598320), (458, 4407560), (502, 4021240), (878, 2299160), (916, 2203780), (1004, 2010620), (1145, 1763024), (1255, 1608496), (1756, 1149580), (1832, 1101890), (2008, 1005310), (2195, 919664), (2290, 881512), (2510, 804248), (3512, 574790), (3664, 550945), (4016, 502655), (4390, 459832), (4580, 440756), (5020, 402124), (7024, 287395), (8780, 229916), (9160, 220378), (10040, 201062), (17560, 114958), (18320, 110189), (20080, 100531), (35120, 57479)]