20180851240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8839}}^1\times {\mathrm{5189}}^1$

素因数の和:14050

約数の個数: 64

約数和(自身を含む): 49549968000

約数和(自身を除く): 29369116760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 5189, 8839, 10378, 17678, 20756, 25945, 35356, 41512, 44195, 51890, 57079, 70712, 88390, 97229, 103780, 114158, 176780, 194458, 207560, 228316, 285395, 353560, 388916, 456632, 486145, 570790, 777832, 972290, 1141580, 1944580, 2283160, 3889160, 45865571, 91731142, 183462284, 229327855, 366924568, 458655710, 504521281, 917311420, 1009042562, 1834622840, 2018085124, 2522606405, 4036170248, 5045212810, 10090425620, 20180851240]

約数ペア:

[(1, 20180851240), (2, 10090425620), (4, 5045212810), (5, 4036170248), (8, 2522606405), (10, 2018085124), (11, 1834622840), (20, 1009042562), (22, 917311420), (40, 504521281), (44, 458655710), (55, 366924568), (88, 229327855), (110, 183462284), (220, 91731142), (440, 45865571), (5189, 3889160), (8839, 2283160), (10378, 1944580), (17678, 1141580), (20756, 972290), (25945, 777832), (35356, 570790), (41512, 486145), (44195, 456632), (51890, 388916), (57079, 353560), (70712, 285395), (88390, 228316), (97229, 207560), (103780, 194458), (114158, 176780)]