260097160

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{73061}}^1$

素因数の和:73161

約数の個数: 32

約数和(自身を含む): 591802200

約数和(自身を除く): 331705040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 73061, 146122, 292244, 365305, 584488, 730610, 1461220, 2922440, 6502429, 13004858, 26009716, 32512145, 52019432, 65024290, 130048580, 260097160]

約数ペア:

[(1, 260097160), (2, 130048580), (4, 65024290), (5, 52019432), (8, 32512145), (10, 26009716), (20, 13004858), (40, 6502429), (89, 2922440), (178, 1461220), (356, 730610), (445, 584488), (712, 365305), (890, 292244), (1780, 146122), (3560, 73061)]