87897160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3931}}^1$

素因数の和:3998

約数の個数: 64

約数和(自身を含む): 217990080

約数和(自身を除く): 130092920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 3931, 4472, 5590, 7862, 11180, 15724, 19655, 22360, 31448, 39310, 51103, 78620, 102206, 157240, 169033, 204412, 255515, 338066, 408824, 511030, 676132, 845165, 1022060, 1352264, 1690330, 2044120, 2197429, 3380660, 4394858, 6761320, 8789716, 10987145, 17579432, 21974290, 43948580, 87897160]

約数ペア:

[(1, 87897160), (2, 43948580), (4, 21974290), (5, 17579432), (8, 10987145), (10, 8789716), (13, 6761320), (20, 4394858), (26, 3380660), (40, 2197429), (43, 2044120), (52, 1690330), (65, 1352264), (86, 1022060), (104, 845165), (130, 676132), (172, 511030), (215, 408824), (260, 338066), (344, 255515), (430, 204412), (520, 169033), (559, 157240), (860, 102206), (1118, 78620), (1720, 51103), (2236, 39310), (2795, 31448), (3931, 22360), (4472, 19655), (5590, 15724), (7862, 11180)]