81342490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{4261}}^1$

素因数の和:4374

約数の個数: 32

約数和(自身を含む): 154659456

約数和(自身を除く): 73316966

約数列:

[1, 2, 5, 10, 23, 46, 83, 115, 166, 230, 415, 830, 1909, 3818, 4261, 8522, 9545, 19090, 21305, 42610, 98003, 196006, 353663, 490015, 707326, 980030, 1768315, 3536630, 8134249, 16268498, 40671245, 81342490]

約数ペア:

[(1, 81342490), (2, 40671245), (5, 16268498), (10, 8134249), (23, 3536630), (46, 1768315), (83, 980030), (115, 707326), (166, 490015), (230, 353663), (415, 196006), (830, 98003), (1909, 42610), (3818, 21305), (4261, 19090), (8522, 9545)]