41805640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 96969600

約数和(自身を除く): 55163960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 103, 139, 146, 206, 278, 292, 365, 412, 515, 556, 584, 695, 730, 824, 1030, 1112, 1390, 1460, 2060, 2780, 2920, 4120, 5560, 7519, 10147, 14317, 15038, 20294, 28634, 30076, 37595, 40588, 50735, 57268, 60152, 71585, 75190, 81176, 101470, 114536, 143170, 150380, 202940, 286340, 300760, 405880, 572680, 1045141, 2090282, 4180564, 5225705, 8361128, 10451410, 20902820, 41805640]

約数ペア:

[(1, 41805640), (2, 20902820), (4, 10451410), (5, 8361128), (8, 5225705), (10, 4180564), (20, 2090282), (40, 1045141), (73, 572680), (103, 405880), (139, 300760), (146, 286340), (206, 202940), (278, 150380), (292, 143170), (365, 114536), (412, 101470), (515, 81176), (556, 75190), (584, 71585), (695, 60152), (730, 57268), (824, 50735), (1030, 40588), (1112, 37595), (1390, 30076), (1460, 28634), (2060, 20294), (2780, 15038), (2920, 14317), (4120, 10147), (5560, 7519)]