20154645520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6144709}}^1$

素因数の和:6144763

約数の個数: 40

約数和(自身を含む): 48002474520

約数和(自身を除く): 27847829000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 6144709, 12289418, 24578836, 30723545, 49157672, 61447090, 98315344, 122894180, 245788360, 251933069, 491576720, 503866138, 1007732276, 1259665345, 2015464552, 2519330690, 4030929104, 5038661380, 10077322760, 20154645520]

約数ペア:

[(1, 20154645520), (2, 10077322760), (4, 5038661380), (5, 4030929104), (8, 2519330690), (10, 2015464552), (16, 1259665345), (20, 1007732276), (40, 503866138), (41, 491576720), (80, 251933069), (82, 245788360), (164, 122894180), (205, 98315344), (328, 61447090), (410, 49157672), (656, 30723545), (820, 24578836), (1640, 12289418), (3280, 6144709)]