80444360

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{32969}}^1$

素因数の和:33041

約数の個数: 32

約数和(自身を含む): 183972600

約数和(自身を除く): 103528240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 32969, 65938, 131876, 164845, 263752, 329690, 659380, 1318760, 2011109, 4022218, 8044436, 10055545, 16088872, 20111090, 40222180, 80444360]

約数ペア:

[(1, 80444360), (2, 40222180), (4, 20111090), (5, 16088872), (8, 10055545), (10, 8044436), (20, 4022218), (40, 2011109), (61, 1318760), (122, 659380), (244, 329690), (305, 263752), (488, 164845), (610, 131876), (1220, 65938), (2440, 32969)]