80344420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7537}}^1$

素因数の和:7600

約数の個数: 48

約数和(自身を含む): 186158448

約数和(自身を除く): 105814028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 7537, 10660, 15074, 30148, 37685, 75370, 97981, 150740, 195962, 309017, 391924, 489905, 618034, 979810, 1236068, 1545085, 1959620, 3090170, 4017221, 6180340, 8034442, 16068884, 20086105, 40172210, 80344420]

約数ペア:

[(1, 80344420), (2, 40172210), (4, 20086105), (5, 16068884), (10, 8034442), (13, 6180340), (20, 4017221), (26, 3090170), (41, 1959620), (52, 1545085), (65, 1236068), (82, 979810), (130, 618034), (164, 489905), (205, 391924), (260, 309017), (410, 195962), (533, 150740), (820, 97981), (1066, 75370), (2132, 37685), (2665, 30148), (5330, 15074), (7537, 10660)]