25682110

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 26157890

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 59, 79, 95, 118, 145, 158, 190, 290, 295, 395, 551, 590, 790, 1102, 1121, 1501, 1711, 2242, 2291, 2755, 3002, 3422, 4582, 4661, 5510, 5605, 7505, 8555, 9322, 11210, 11455, 15010, 17110, 22910, 23305, 32509, 43529, 46610, 65018, 87058, 88559, 135169, 162545, 177118, 217645, 270338, 325090, 435290, 442795, 675845, 885590, 1351690, 2568211, 5136422, 12841055, 25682110]

約数ペア:

[(1, 25682110), (2, 12841055), (5, 5136422), (10, 2568211), (19, 1351690), (29, 885590), (38, 675845), (58, 442795), (59, 435290), (79, 325090), (95, 270338), (118, 217645), (145, 177118), (158, 162545), (190, 135169), (290, 88559), (295, 87058), (395, 65018), (551, 46610), (590, 43529), (790, 32509), (1102, 23305), (1121, 22910), (1501, 17110), (1711, 15010), (2242, 11455), (2291, 11210), (2755, 9322), (3002, 8555), (3422, 7505), (4582, 5605), (4661, 5510)]