78668200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 199987200

約数和(自身を除く): 121319000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 79, 100, 104, 130, 158, 200, 260, 316, 325, 383, 395, 520, 632, 650, 766, 790, 1027, 1300, 1532, 1580, 1915, 1975, 2054, 2600, 3064, 3160, 3830, 3950, 4108, 4979, 5135, 7660, 7900, 8216, 9575, 9958, 10270, 15320, 15800, 19150, 19916, 20540, 24895, 25675, 30257, 38300, 39832, 41080, 49790, 51350, 60514, 76600, 99580, 102700, 121028, 124475, 151285, 199160, 205400, 242056, 248950, 302570, 393341, 497900, 605140, 756425, 786682, 995800, 1210280, 1512850, 1573364, 1966705, 3025700, 3146728, 3933410, 6051400, 7866820, 9833525, 15733640, 19667050, 39334100, 78668200]

約数ペア:

[(1, 78668200), (2, 39334100), (4, 19667050), (5, 15733640), (8, 9833525), (10, 7866820), (13, 6051400), (20, 3933410), (25, 3146728), (26, 3025700), (40, 1966705), (50, 1573364), (52, 1512850), (65, 1210280), (79, 995800), (100, 786682), (104, 756425), (130, 605140), (158, 497900), (200, 393341), (260, 302570), (316, 248950), (325, 242056), (383, 205400), (395, 199160), (520, 151285), (632, 124475), (650, 121028), (766, 102700), (790, 99580), (1027, 76600), (1300, 60514), (1532, 51350), (1580, 49790), (1915, 41080), (1975, 39832), (2054, 38300), (2600, 30257), (3064, 25675), (3160, 24895), (3830, 20540), (3950, 19916), (4108, 19150), (4979, 15800), (5135, 15320), (7660, 10270), (7900, 9958), (8216, 9575)]