84317320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51413}}^1$

素因数の和:51465

約数の個数: 32

約数和(自身を含む): 194344920

約数和(自身を除く): 110027600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 51413, 102826, 205652, 257065, 411304, 514130, 1028260, 2056520, 2107933, 4215866, 8431732, 10539665, 16863464, 21079330, 42158660, 84317320]

約数ペア:

[(1, 84317320), (2, 42158660), (4, 21079330), (5, 16863464), (8, 10539665), (10, 8431732), (20, 4215866), (40, 2107933), (41, 2056520), (82, 1028260), (164, 514130), (205, 411304), (328, 257065), (410, 205652), (820, 102826), (1640, 51413)]