20119777040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2837}}^1\times {\mathrm{8059}}^1$

素因数の和:10920

約数の個数: 80

約数和(自身を含む): 51055392960

約数和(自身を除く): 30935615920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2837, 5674, 8059, 11348, 14185, 16118, 22696, 28370, 31207, 32236, 40295, 45392, 56740, 62414, 64472, 80590, 88649, 113480, 124828, 128944, 156035, 161180, 177298, 226960, 249656, 312070, 322360, 354596, 443245, 499312, 624140, 644720, 709192, 886490, 1248280, 1418384, 1772980, 2496560, 3545960, 7091920, 22863383, 45726766, 91453532, 114316915, 182907064, 228633830, 251497213, 365814128, 457267660, 502994426, 914535320, 1005988852, 1257486065, 1829070640, 2011977704, 2514972130, 4023955408, 5029944260, 10059888520, 20119777040]

約数ペア:

[(1, 20119777040), (2, 10059888520), (4, 5029944260), (5, 4023955408), (8, 2514972130), (10, 2011977704), (11, 1829070640), (16, 1257486065), (20, 1005988852), (22, 914535320), (40, 502994426), (44, 457267660), (55, 365814128), (80, 251497213), (88, 228633830), (110, 182907064), (176, 114316915), (220, 91453532), (440, 45726766), (880, 22863383), (2837, 7091920), (5674, 3545960), (8059, 2496560), (11348, 1772980), (14185, 1418384), (16118, 1248280), (22696, 886490), (28370, 709192), (31207, 644720), (32236, 624140), (40295, 499312), (45392, 443245), (56740, 354596), (62414, 322360), (64472, 312070), (80590, 249656), (88649, 226960), (113480, 177298), (124828, 161180), (128944, 156035)]