26508291280

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{769}}^1\times {\mathrm{4027}}^1$

素因数の和:4916

約数の個数: 80

約数和(自身を含む): 62304137280

約数和(自身を除く): 35795846000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 769, 856, 1070, 1538, 1712, 2140, 3076, 3845, 4027, 4280, 6152, 7690, 8054, 8560, 12304, 15380, 16108, 20135, 30760, 32216, 40270, 61520, 64432, 80540, 82283, 161080, 164566, 322160, 329132, 411415, 430889, 658264, 822830, 861778, 1316528, 1645660, 1723556, 2154445, 3096763, 3291320, 3447112, 4308890, 6193526, 6582640, 6894224, 8617780, 12387052, 15483815, 17235560, 24774104, 30967630, 34471120, 49548208, 61935260, 123870520, 247741040, 331353641, 662707282, 1325414564, 1656768205, 2650829128, 3313536410, 5301658256, 6627072820, 13254145640, 26508291280]

約数ペア:

[(1, 26508291280), (2, 13254145640), (4, 6627072820), (5, 5301658256), (8, 3313536410), (10, 2650829128), (16, 1656768205), (20, 1325414564), (40, 662707282), (80, 331353641), (107, 247741040), (214, 123870520), (428, 61935260), (535, 49548208), (769, 34471120), (856, 30967630), (1070, 24774104), (1538, 17235560), (1712, 15483815), (2140, 12387052), (3076, 8617780), (3845, 6894224), (4027, 6582640), (4280, 6193526), (6152, 4308890), (7690, 3447112), (8054, 3291320), (8560, 3096763), (12304, 2154445), (15380, 1723556), (16108, 1645660), (20135, 1316528), (30760, 861778), (32216, 822830), (40270, 658264), (61520, 430889), (64432, 411415), (80540, 329132), (82283, 322160), (161080, 164566)]