80127160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{32839}}^1$

素因数の和:32911

約数の個数: 32

約数和(自身を含む): 183247200

約数和(自身を除く): 103120040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 32839, 65678, 131356, 164195, 262712, 328390, 656780, 1313560, 2003179, 4006358, 8012716, 10015895, 16025432, 20031790, 40063580, 80127160]

約数ペア:

[(1, 80127160), (2, 40063580), (4, 20031790), (5, 16025432), (8, 10015895), (10, 8012716), (20, 4006358), (40, 2003179), (61, 1313560), (122, 656780), (244, 328390), (305, 262712), (488, 164195), (610, 131356), (1220, 65678), (2440, 32839)]