66912820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6277}}^1$

素因数の和:6340

約数の個数: 48

約数和(自身を含む): 155041488

約数和(自身を除く): 88128668

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, 6277, 10660, 12554, 25108, 31385, 62770, 81601, 125540, 163202, 257357, 326404, 408005, 514714, 816010, 1029428, 1286785, 1632020, 2573570, 3345641, 5147140, 6691282, 13382564, 16728205, 33456410, 66912820]

約数ペア:

[(1, 66912820), (2, 33456410), (4, 16728205), (5, 13382564), (10, 6691282), (13, 5147140), (20, 3345641), (26, 2573570), (41, 1632020), (52, 1286785), (65, 1029428), (82, 816010), (130, 514714), (164, 408005), (205, 326404), (260, 257357), (410, 163202), (533, 125540), (820, 81601), (1066, 62770), (2132, 31385), (2665, 25108), (5330, 12554), (6277, 10660)]