54387920

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:292

約数の個数: 80

約数和(自身を含む): 131033280

約数和(自身を除く): 76645360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 73, 80, 134, 139, 146, 268, 278, 292, 335, 365, 536, 556, 584, 670, 695, 730, 1072, 1112, 1168, 1340, 1390, 1460, 2224, 2680, 2780, 2920, 4891, 5360, 5560, 5840, 9313, 9782, 10147, 11120, 18626, 19564, 20294, 24455, 37252, 39128, 40588, 46565, 48910, 50735, 74504, 78256, 81176, 93130, 97820, 101470, 149008, 162352, 186260, 195640, 202940, 372520, 391280, 405880, 679849, 745040, 811760, 1359698, 2719396, 3399245, 5438792, 6798490, 10877584, 13596980, 27193960, 54387920]

約数ペア:

[(1, 54387920), (2, 27193960), (4, 13596980), (5, 10877584), (8, 6798490), (10, 5438792), (16, 3399245), (20, 2719396), (40, 1359698), (67, 811760), (73, 745040), (80, 679849), (134, 405880), (139, 391280), (146, 372520), (268, 202940), (278, 195640), (292, 186260), (335, 162352), (365, 149008), (536, 101470), (556, 97820), (584, 93130), (670, 81176), (695, 78256), (730, 74504), (1072, 50735), (1112, 48910), (1168, 46565), (1340, 40588), (1390, 39128), (1460, 37252), (2224, 24455), (2680, 20294), (2780, 19564), (2920, 18626), (4891, 11120), (5360, 10147), (5560, 9782), (5840, 9313)]