50978920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1229}}^1$

素因数の和:1318

約数の個数: 64

約数和(自身を含む): 123541200

約数和(自身を除く): 72562280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 170, 244, 305, 340, 488, 610, 680, 1037, 1220, 1229, 2074, 2440, 2458, 4148, 4916, 5185, 6145, 8296, 9832, 10370, 12290, 20740, 20893, 24580, 41480, 41786, 49160, 74969, 83572, 104465, 149938, 167144, 208930, 299876, 374845, 417860, 599752, 749690, 835720, 1274473, 1499380, 2548946, 2998760, 5097892, 6372365, 10195784, 12744730, 25489460, 50978920]

約数ペア:

[(1, 50978920), (2, 25489460), (4, 12744730), (5, 10195784), (8, 6372365), (10, 5097892), (17, 2998760), (20, 2548946), (34, 1499380), (40, 1274473), (61, 835720), (68, 749690), (85, 599752), (122, 417860), (136, 374845), (170, 299876), (244, 208930), (305, 167144), (340, 149938), (488, 104465), (610, 83572), (680, 74969), (1037, 49160), (1220, 41786), (1229, 41480), (2074, 24580), (2440, 20893), (2458, 20740), (4148, 12290), (4916, 10370), (5185, 9832), (6145, 8296)]