27284920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{383}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 66769920

約数和(自身を除く): 39485000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 137, 260, 274, 383, 520, 548, 685, 766, 1096, 1370, 1532, 1781, 1915, 2740, 3064, 3562, 3830, 4979, 5480, 7124, 7660, 8905, 9958, 14248, 15320, 17810, 19916, 24895, 35620, 39832, 49790, 52471, 71240, 99580, 104942, 199160, 209884, 262355, 419768, 524710, 682123, 1049420, 1364246, 2098840, 2728492, 3410615, 5456984, 6821230, 13642460, 27284920]

約数ペア:

[(1, 27284920), (2, 13642460), (4, 6821230), (5, 5456984), (8, 3410615), (10, 2728492), (13, 2098840), (20, 1364246), (26, 1049420), (40, 682123), (52, 524710), (65, 419768), (104, 262355), (130, 209884), (137, 199160), (260, 104942), (274, 99580), (383, 71240), (520, 52471), (548, 49790), (685, 39832), (766, 35620), (1096, 24895), (1370, 19916), (1532, 17810), (1781, 15320), (1915, 14248), (2740, 9958), (3064, 8905), (3562, 7660), (3830, 7124), (4979, 5480)]