20184063475

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1\times {\mathrm{499}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 25926912000

約数和(自身を除く): 5742848525

約数列:

[1, 5, 25, 43, 191, 197, 215, 499, 955, 985, 1075, 2495, 4775, 4925, 8213, 8471, 12475, 21457, 37627, 41065, 42355, 95309, 98303, 107285, 188135, 205325, 211775, 476545, 491515, 536425, 940675, 1617961, 2382725, 2457575, 4098287, 4227029, 8089805, 18775873, 20491435, 21135145, 40449025, 93879365, 102457175, 105675725, 469396825, 807362539, 4036812695, 20184063475]

約数ペア:

[(1, 20184063475), (5, 4036812695), (25, 807362539), (43, 469396825), (191, 105675725), (197, 102457175), (215, 93879365), (499, 40449025), (955, 21135145), (985, 20491435), (1075, 18775873), (2495, 8089805), (4775, 4227029), (4925, 4098287), (8213, 2457575), (8471, 2382725), (12475, 1617961), (21457, 940675), (37627, 536425), (41065, 491515), (42355, 476545), (95309, 211775), (98303, 205325), (107285, 188135)]