320439760

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{48259}}^1$

素因数の和:48355

約数の個数: 40

約数和(自身を含む): 754014240

約数和(自身を除く): 433574480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 48259, 96518, 193036, 241295, 386072, 482590, 772144, 965180, 1930360, 3860720, 4005497, 8010994, 16021988, 20027485, 32043976, 40054970, 64087952, 80109940, 160219880, 320439760]

約数ペア:

[(1, 320439760), (2, 160219880), (4, 80109940), (5, 64087952), (8, 40054970), (10, 32043976), (16, 20027485), (20, 16021988), (40, 8010994), (80, 4005497), (83, 3860720), (166, 1930360), (332, 965180), (415, 772144), (664, 482590), (830, 386072), (1328, 241295), (1660, 193036), (3320, 96518), (6640, 48259)]