1256019625

素因数分解:

$5^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 1855107072

約数和(自身を除く): 599087447

約数列:

[1, 5, 7, 25, 35, 41, 125, 157, 175, 205, 223, 287, 785, 875, 1025, 1099, 1115, 1435, 1561, 3925, 5125, 5495, 5575, 6437, 7175, 7805, 9143, 19625, 27475, 27875, 32185, 35011, 35875, 39025, 45059, 45715, 64001, 137375, 160925, 175055, 195125, 225295, 228575, 245077, 320005, 804625, 875275, 1126475, 1142875, 1225385, 1435451, 1600025, 4376375, 5632375, 6126925, 7177255, 8000125, 10048157, 30634625, 35886275, 50240785, 179431375, 251203925, 1256019625]

約数ペア:

[(1, 1256019625), (5, 251203925), (7, 179431375), (25, 50240785), (35, 35886275), (41, 30634625), (125, 10048157), (157, 8000125), (175, 7177255), (205, 6126925), (223, 5632375), (287, 4376375), (785, 1600025), (875, 1435451), (1025, 1225385), (1099, 1142875), (1115, 1126475), (1435, 875275), (1561, 804625), (3925, 320005), (5125, 245077), (5495, 228575), (5575, 225295), (6437, 195125), (7175, 175055), (7805, 160925), (9143, 137375), (19625, 64001), (27475, 45715), (27875, 45059), (32185, 39025), (35011, 35875)]